Recognised as Colour

#C66B8B

#C66B8B
Red
Dark
Nearest: Pale violetred

#C66B8B is a red with RGB values 198, 107, 139 and HSL 339°, 44%, 60%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#C66B8B#C66B8B

HEX#C66B8B

RGBrgb(198, 107, 139)

RGB (0–1)0.7765, 0.4196, 0.5451

RGB percentages77.6%, 42%, 54.5%

HSLhsl(338.9, 44.4%, 59.8%)

HSV / HSBhsv(338.9, 46%, 77.6%)

CMYK0%, 46%, 29.8%, 22.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,003,659

CSS custom property--colour: #C66B8B;

Brightness & contrast

Relative luminance0.24385WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.88:1

Contrast with white3.57:1WCAG normal text: Fail

Contrast with black5.88:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#399474

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#787D8Cno red cones; affects about 1% of men; ΔE 39.3 from the original

Deuteranopia#8F8E89no green cones; the most common form, about 1% of men; ΔE 40.6 from the original

Tritanopia#D36576no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.57:1WCAG large text: AA

Contrast with black, large text5.88:1WCAG large text: AAA

Named colours

Pale violetred · ΔE 7.3 Light coral · ΔE 23.2 Indian red · ΔE 24.1 Rosy brown · ΔE 25.1 Plum · ΔE 27.7 Hot pink · ΔE 27.7

Nearest named CSS colourPale violetred (#DB7093)ΔE 7.26, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6BC6A6

Analogous#C66BB8, #C6796B

Triadic#8BC66B, #6B8BC6

Split complementary#6BC679, #6BB8C6

Tetradic#B8C66B, #6BC6A6, #796BC6

Tints, shades & saturation

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

Lighter +40%#FFFEFE

Lighter +30%#F1D9E2

Lighter +20%#E2B5C5

Lighter +10%#D490A8

Darker −10%#B7476E

Darker −20%#933858

Darker −30%#6E2A42

Darker −40%#491C2C

More saturated +25%#E05183

Less saturated −25%#AC8593

Channel breakdown

R198

G107

B139

Red198 (77.6%)

Green107 (42%)

Blue139 (54.5%)

Hue338.9°

Saturation (HSL)44.39%

Lightness59.8%

Dominant channelRed

Hex per channelR C6 · G 6B · B 8B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C66B8B (chemical formula)

Formula
890.016 g/mol
75 atoms

C66B8B has a molar mass of 890.016 g/mol, made up of 75 atoms across 2 elements: 66 × C, 9 × B.

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Molar mass

Molar mass890.016 g/mol

Total atoms per molecule75

Distinct elements2

Mass of one molecule1.4779063 × 10^-21 g

Molecules per gram6.7663287 × 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

C89.1%

B10.9%

Carbon (C × 66)792.726 g/mol, 89.069%

Boron (B × 9)97.29 g/mol, 10.931%

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Elements in this formula

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