Colour

#63000A

#63000A
Red
Dark
Nearest: Maroon

#63000A is a red with RGB values 99, 0, 10 and HSL 354°, 100%, 19%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#63000A#63000A

HEX#63000A

RGBrgb(99, 0, 10)

RGB (0–1)0.3882, 0, 0.0392

RGB percentages38.8%, 0%, 3.9%

HSLhsl(353.9, 100%, 19.4%)

HSV / HSBhsv(353.9, 100%, 38.8%)

CMYK0%, 100%, 89.9%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,488,074

CSS custom property--colour: #63000A;

Brightness & contrast

Relative luminance0.02675WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.68:1

Contrast with white13.68:1WCAG normal text: AAA

Contrast with black1.53:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#9CFFF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#252009no red cones; affects about 1% of men; ΔE 43.4 from the original

Deuteranopia#3C3505no green cones; the most common form, about 1% of men; ΔE 43.6 from the original

Tritanopia#6E0005no blue cones; rare, and affects men and women equally; ΔE 6.9 from the original

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

Contrast with white, large text13.68:1WCAG large text: AAA

Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Maroon · ΔE 16.9 Brown · ΔE 21.9 Dark red · ΔE 21.9 Saddle brown · ΔE 28.5 Firebrick · ΔE 28.8 Sienna · ΔE 29.5

Nearest named CSS colourMaroon (#800000)ΔE 16.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006359

Analogous#63003B, #632800

Triadic#0A6300, #000A63

Split complementary#006327, #003B63

Tetradic#3C6300, #006359, #280063

Tints, shades & saturation

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

Lighter +40%#FF3045

Lighter +30%#FC0019

Lighter +20%#C90014

Lighter +10%#96000F

Darker −10%#300005

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#63000A

Less saturated −25%#570C14

Channel breakdown

R99

B10

Red99 (38.8%)

Green0 (0%)

Blue10 (3.9%)

Hue353.94°

Saturation (HSL)100%

Lightness19.41%

Dominant channelRed

Hex per channelR 63 · G 00 · B 0A

Keep nerding

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#63000A

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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