Recognised as Colour

#C66FEB

#C66FEB
Violet
Dark
Nearest: Medium orchid

#C66FEB is a violet with RGB values 198, 111, 235 and HSL 282°, 76%, 68%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#C66FEB#C66FEB

HEX#C66FEB

RGBrgb(198, 111, 235)

RGB (0–1)0.7765, 0.4353, 0.9216

RGB percentages77.6%, 43.5%, 92.2%

HSLhsl(282.1, 75.6%, 67.8%)

HSV / HSBhsv(282.1, 52.8%, 92.2%)

CMYK15.7%, 52.8%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,004,779

CSS custom property--colour: #C66FEB;

Brightness & contrast

Relative luminance0.29373WCAG 2.x, 0 is black and 1 is white

Perceived brightness158.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.87:1

Contrast with white3.05:1WCAG normal text: Fail

Contrast with black6.87:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#399014

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#518EEFno red cones; affects about 1% of men; ΔE 44 from the original

Deuteranopia#6E96E8no green cones; the most common form, about 1% of men; ΔE 45.2 from the original

Tritanopia#C383A3no blue cones; rare, and affects men and women equally; ΔE 48.9 from the original

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

Contrast with white, large text3.05:1WCAG large text: AA

Contrast with black, large text6.87:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 9 Orchid · ΔE 14.7 Violet · ΔE 15 Medium purple · ΔE 18.6 Medium slateblue · ΔE 22.9 Dark orchid · ΔE 23.6

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 8.98, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#94EB6F

Analogous#886FEB, #EB6FD2

Triadic#EBC66F, #6FEBC6

Split complementary#D2EB6F, #6FEB88

Tetradic#EB886F, #94EB6F, #6FD2EB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FBF5FE

Lighter +20%#E9C9F7

Lighter +10%#D89CF1

Darker −10%#B442E5

Darker −20%#9F1ED6

Darker −30%#7E18A9

Darker −40%#5D117D

More saturated +25%#CE5BFF

Less saturated −25%#BE84D7

Channel breakdown

R198

G111

B235

Red198 (77.6%)

Green111 (43.5%)

Blue235 (92.2%)

Hue282.1°

Saturation (HSL)75.61%

Lightness67.84%

Dominant channelBlue

Hex per channelR C6 · G 6F · B EB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C66FeB (chemical formula)

Formula
859.381 g/mol
68 atoms

C66FeB has a molar mass of 859.381 g/mol, made up of 68 atoms across 3 elements: 66 × C, 1 × Fe, 1 × B.

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Molar mass

Molar mass859.381 g/mol

Total atoms per molecule68

Distinct elements3

Mass of one molecule1.4270357 × 10^-21 g

Molecules per gram7.007533 × 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

C92.2%

Fe6.5%

B1.3%

Carbon (C × 66)792.726 g/mol, 92.244%

Iron (Fe)55.845 g/mol, 6.498%

Boron (B)10.81 g/mol, 1.258%

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Elements in this formula

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