Colour

#CC0040

#CC0040
Red
Dark
Nearest: Crimson

#CC0040 is a red with RGB values 204, 0, 64 and HSL 341°, 100%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CC0040#CC0040

HEX#CC0040

RGBrgb(204, 0, 64)

RGB (0–1)0.8, 0, 0.251

RGB percentages80%, 0%, 25.1%

HSLhsl(341.2, 100%, 40%)

HSV / HSBhsv(341.2, 100%, 80%)

CMYK0%, 100%, 68.6%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,369,408

CSS custom property--colour: #CC0040;

Brightness & contrast

Relative luminance0.13208WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.77:1

Contrast with white5.77:1WCAG normal text: AA

Contrast with black3.64:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#33FFBF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514D40no red cones; affects about 1% of men; ΔE 72.9 from the original

Deuteranopia#7E733Ano green cones; the most common form, about 1% of men; ΔE 73.6 from the original

Tritanopia#E00025no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original

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

Contrast with white, large text5.77:1WCAG large text: AAA

Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Crimson · ΔE 9.1 Firebrick · ΔE 18.4 Brown · ΔE 20.9 Indian red · ΔE 26.7 Dark red · ΔE 28.3 Maroon · ΔE 30.2

Nearest named CSS colourCrimson (#DC143C)ΔE 9.1, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CC8C

Analogous#CC00A6, #CC2600

Triadic#40CC00, #0040CC

Split complementary#00CC26, #00A6CC

Tetradic#A6CC00, #00CC8C, #2600CC

Tints, shades & saturation

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

Lighter +40%#FF99B9

Lighter +30%#FF6696

Lighter +20%#FF3373

Lighter +10%#FF0050

Darker −10%#990030

Darker −20%#660020

Darker −30%#330010

Darker −40%#000000

More saturated +25%#CC0040

Less saturated −25%#B31949

Channel breakdown

R204

B64

Red204 (80%)

Green0 (0%)

Blue64 (25.1%)

Hue341.18°

Saturation (HSL)100%

Lightness40%

Dominant channelRed

Hex per channelR CC · G 00 · B 40

Keep nerding

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#CC0040

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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