Recognised as Colour

#CA55FF

#CA55FF
Violet
Dark
Nearest: Dark orchid

#CA55FF is a violet with RGB values 202, 85, 255 and HSL 281°, 100%, 67%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#CA55FF#CA55FF

HEX#CA55FF

RGBrgb(202, 85, 255)

RGB (0–1)0.7922, 0.3333, 1

RGB percentages79.2%, 33.3%, 100%

HSLhsl(281.3, 100%, 66.7%)

HSV / HSBhsv(281.3, 66.7%, 100%)

CMYK20.8%, 66.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,260,287

CSS custom property--colour: #CA55FF;

Brightness & contrast

Relative luminance0.26274WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.25:1

Contrast with white3.36:1WCAG normal text: Fail

Contrast with black6.25:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#35AA00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0086FFno red cones; affects about 1% of men; ΔE 56.4 from the original

Deuteranopia#498FFBno green cones; the most common form, about 1% of men; ΔE 58.4 from the original

Tritanopia#C577A4no blue cones; rare, and affects men and women equally; ΔE 63.7 from the original

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

Contrast with white, large text3.36:1WCAG large text: AA

Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 16.7 Blue violet · ΔE 19.2 Dark violet · ΔE 20.2 Medium orchid · ΔE 21.6 Fuchsia · ΔE 27.2 Magenta · ΔE 27.2

Nearest named CSS colourDark orchid (#9932CC)ΔE 16.74, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8AFF55

Analogous#7555FF, #FF55DF

Triadic#FFCA55, #55FFCA

Split complementary#DFFF55, #55FF75

Tetradic#FF7555, #8AFF55, #55DFFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FAEEFF

Lighter +20%#EABBFF

Lighter +10%#DA88FF

Darker −10%#BA22FF

Darker −20%#A400EE

Darker −30%#8100BB

Darker −40%#5E0088

More saturated +25%#CA55FF

Less saturated −25%#C26AEA

Channel breakdown

R202

G85

B255

Red202 (79.2%)

Green85 (33.3%)

Blue255 (100%)

Hue281.29°

Saturation (HSL)100%

Lightness66.67%

Dominant channelBlue

Hex per channelR CA · G 55 · B FF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca55FF (chemical formula)

Formula
2,242.286 g/mol
57 atoms

Ca55FF has a molar mass of 2,242.286 g/mol, made up of 57 atoms across 2 elements: 55 × Ca, 2 × F.

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Molar mass

Molar mass2,242.286 g/mol

Total atoms per molecule57

Distinct elements2

Mass of one molecule3.7234035 × 10^-21 g

Molecules per gram2.6857148 × 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

Ca98.3%

F1.7%

Calcium (Ca × 55)2,204.29 g/mol, 98.305%

Fluorine (F × 2)37.996 g/mol, 1.695%

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Elements in this formula

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