Recognised as Colour

#CC2566

#CC2566
Red
Dark
Nearest: Medium violet red

#CC2566 is a red with RGB values 204, 37, 102 and HSL 337°, 69%, 47%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#CC2566#CC2566

HEX#CC2566

RGBrgb(204, 37, 102)

RGB (0–1)0.8, 0.1451, 0.4

RGB percentages80%, 14.5%, 40%

HSLhsl(336.6, 69.3%, 47.3%)

HSV / HSBhsv(336.6, 81.9%, 80%)

CMYK0%, 81.9%, 50%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,378,918

CSS custom property--colour: #CC2566;

Brightness & contrast

Relative luminance0.1512WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.22:1

Contrast with white5.22:1WCAG normal text: AA

Contrast with black4.02:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#33DA99

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#525867no red cones; affects about 1% of men; ΔE 67.2 from the original

Deuteranopia#7E7862no green cones; the most common form, about 1% of men; ΔE 68.3 from the original

Tritanopia#DE0043no blue cones; rare, and affects men and women equally; ΔE 24.9 from the original

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

Contrast with white, large text5.22:1WCAG large text: AAA

Contrast with black, large text4.02:1WCAG large text: AA

Named colours

Medium violet red · ΔE 21.3 Deep pink · ΔE 23.8 Hot pink · ΔE 25.6 Pale violetred · ΔE 25.9 Indian red · ΔE 28 Crimson · ΔE 28.5

Nearest named CSS colourMedium violet red (#C71585)ΔE 21.33, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25CC8B

Analogous#CC25BA, #CC3725

Triadic#66CC25, #2566CC

Split complementary#25CC37, #25BACC

Tetradic#BACC25, #25CC8B, #3725CC

Tints, shades & saturation

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

Lighter +40%#F5C8DA

Lighter +30%#ED9DBC

Lighter +20%#E5729F

Lighter +10%#DE4681

Darker −10%#A11D50

Darker −20%#76153B

Darker −30%#4A0E25

Darker −40%#1F0610

More saturated +25%#EA075F

Less saturated −25%#AE436D

Channel breakdown

R204

G37

B102

Red204 (80%)

Green37 (14.5%)

Blue102 (40%)

Hue336.65°

Saturation (HSL)69.29%

Lightness47.25%

Dominant channelRed

Hex per channelR CC · G 25 · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC2566 (chemical formula)

Formula
30,832.237 g/mol
2567 atoms

CC2566 has a molar mass of 30,832.237 g/mol, made up of 2567 atoms across 1 element: 2567 × C.

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Molar mass

Molar mass30,832.237 g/mol

Total atoms per molecule2567

Distinct elements1

Mass of one molecule5.1198134 × 10^-20 g

Molecules per gram1.9531962 × 10^19

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

C100%

Carbon (C × 2567)30,832.237 g/mol, 100%

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Elements in this formula

Carbon

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