Colour

#A50008

#A50008
Red
Dark
Nearest: Firebrick

#A50008 is a red with RGB values 165, 0, 8 and HSL 357°, 100%, 32%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A50008#A50008

HEX#A50008

RGBrgb(165, 0, 8)

RGB (0–1)0.6471, 0, 0.0314

RGB percentages64.7%, 0%, 3.1%

HSLhsl(357.1, 100%, 32.4%)

HSV / HSBhsv(357.1, 100%, 64.7%)

CMYK0%, 100%, 95.2%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,813,448

CSS custom property--colour: #A50008;

Brightness & contrast

Relative luminance0.08017WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.07:1

Contrast with white8.07:1WCAG normal text: AAA

Contrast with black2.6:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#5AFFF7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433B04no red cones; affects about 1% of men; ΔE 63.1 from the original

Deuteranopia#685B00no green cones; the most common form, about 1% of men; ΔE 61.8 from the original

Tritanopia#B70008no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

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

Contrast with white, large text8.07:1WCAG large text: AAA

Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Firebrick · ΔE 9.1 Dark red · ΔE 9.8 Maroon · ΔE 14.7 Brown · ΔE 17 Crimson · ΔE 21.6 Tomato · ΔE 28.2

Nearest named CSS colourFirebrick (#B22222)ΔE 9.13, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A59D

Analogous#A5005B, #A54A00

Triadic#08A500, #0008A5

Split complementary#00A54A, #005BA5

Tetradic#5BA500, #00A59D, #4A00A5

Tints, shades & saturation

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

Lighter +40%#FF7279

Lighter +30%#FF3F48

Lighter +20%#FF0C18

Lighter +10%#D8000A

Darker −10%#720006

Darker −20%#3F0003

Darker −30%#0C0001

Darker −40%#000000

More saturated +25%#A50008

Less saturated −25%#90151B

Channel breakdown

R165

Red165 (64.7%)

Green0 (0%)

Blue8 (3.1%)

Hue357.09°

Saturation (HSL)100%

Lightness32.35%

Dominant channelRed

Hex per channelR A5 · G 00 · B 08

Keep nerding

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#A50008

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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