Recognised as Colour

#B55BCC

#B55BCC
Violet
Dark
Nearest: Medium orchid

#B55BCC is a violet with RGB values 181, 91, 204 and HSL 288°, 53%, 58%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#B55BCC#B55BCC

HEX#B55BCC

RGBrgb(181, 91, 204)

RGB (0–1)0.7098, 0.3569, 0.8

RGB percentages71%, 35.7%, 80%

HSLhsl(287.8, 52.6%, 57.8%)

HSV / HSBhsv(287.8, 55.4%, 80%)

CMYK11.3%, 55.4%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,885,516

CSS custom property--colour: #B55BCC;

Brightness & contrast

Relative luminance0.21666WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.33:1

Contrast with white3.94:1WCAG normal text: Fail

Contrast with black5.33:1WCAG normal text: AA

Greyscale equivalent#767676

Inverted#4AA433

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#437AD0no red cones; affects about 1% of men; ΔE 44.2 from the original

Deuteranopia#6283C9no green cones; the most common form, about 1% of men; ΔE 45.6 from the original

Tritanopia#B56C8Bno blue cones; rare, and affects men and women equally; ΔE 43.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.94:1WCAG large text: AA

Contrast with black, large text5.33:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 6.8 Orchid · ΔE 12.9 Violet · ΔE 17.6 Medium purple · ΔE 18.1 Dark orchid · ΔE 22.8 Dark magenta · ΔE 23.4

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 6.8, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#72CC5B

Analogous#7C5BCC, #CC5BAB

Triadic#CCB55B, #5BCCB5

Split complementary#ABCC5B, #5BCC7D

Tetradic#CC7D5B, #72CC5B, #5BABCC

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FBF7FC

Lighter +30%#EAD0F0

Lighter +20%#D8A9E4

Lighter +10%#C782D8

Darker −10%#A03ABA

Darker −20%#7F2E93

Darker −30%#5D226C

Darker −40%#3C1645

More saturated +25%#C540E7

Less saturated −25%#A576B1

Channel breakdown

R181

G91

B204

Red181 (71%)

Green91 (35.7%)

Blue204 (80%)

Hue287.79°

Saturation (HSL)52.56%

Lightness57.84%

Dominant channelBlue

Hex per channelR B5 · G 5B · B CC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

B55BCC (chemical formula)

Formula
629.382 g/mol
58 atoms

B55BCC has a molar mass of 629.382 g/mol, made up of 58 atoms across 2 elements: 56 × B, 2 × C.

Open this reading on its own page →

Molar mass

Molar mass629.382 g/mol

Total atoms per molecule58

Distinct elements2

Mass of one molecule1.0451134 × 10^-21 g

Molecules per gram9.5683397 × 10^20

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B96.2%

C3.8%

Boron (B × 56)605.36 g/mol, 96.183%

Carbon (C × 2)24.022 g/mol, 3.817%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page