Colour

#63002A

#63002A
Red
Dark
Nearest: Brown

#63002A is a red with RGB values 99, 0, 42 and HSL 335°, 100%, 19%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#63002A#63002A

HEX#63002A

RGBrgb(99, 0, 42)

RGB (0–1)0.3882, 0, 0.1647

RGB percentages38.8%, 0%, 16.5%

HSLhsl(334.5, 100%, 19.4%)

HSV / HSBhsv(334.5, 100%, 38.8%)

CMYK0%, 100%, 57.6%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,488,106

CSS custom property--colour: #63002A;

Brightness & contrast

Relative luminance0.0282WCAG 2.x, 0 is black and 1 is white

Perceived brightness56 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.43:1

Contrast with white13.43:1WCAG normal text: AAA

Contrast with black1.56:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#9CFFD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#20232Bno red cones; affects about 1% of men; ΔE 42.7 from the original

Deuteranopia#393528no green cones; the most common form, about 1% of men; ΔE 43.1 from the original

Tritanopia#6D0015no blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text13.43:1WCAG large text: AAA

Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Brown · ΔE 32.7 Maroon · ΔE 34.7 Indian red · ΔE 38.5 Dark red · ΔE 38.9 Firebrick · ΔE 41.1 Sienna · ΔE 41.6

Nearest named CSS colourBrown (#A52A2A)ΔE 32.73, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006339

Analogous#63005C, #630800

Triadic#2A6300, #002A63

Split complementary#006308, #005C63

Tetradic#5C6300, #006339, #070063

Tints, shades & saturation

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

Lighter +40%#FF3088

Lighter +30%#FC006B

Lighter +20%#C90055

Lighter +10%#960040

Darker −10%#300014

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#63002A

Less saturated −25%#570C2C

Channel breakdown

R99

B42

Red99 (38.8%)

Green0 (0%)

Blue42 (16.5%)

Hue334.55°

Saturation (HSL)100%

Lightness19.41%

Dominant channelRed

Hex per channelR 63 · G 00 · B 2A

Keep nerding

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#63002A

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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