Colour

#A80025

#A80025
Red
Dark
Nearest: Firebrick

#A80025 is a red with RGB values 168, 0, 37 and HSL 347°, 100%, 33%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A80025#A80025

HEX#A80025

RGBrgb(168, 0, 37)

RGB (0–1)0.6588, 0, 0.1451

RGB percentages65.9%, 0%, 14.5%

HSLhsl(346.8, 100%, 32.9%)

HSV / HSBhsv(346.8, 100%, 65.9%)

CMYK0%, 100%, 78%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,010,085

CSS custom property--colour: #A80025;

Brightness & contrast

Relative luminance0.08458WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.8:1

Contrast with white7.8:1WCAG normal text: AAA

Contrast with black2.69:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#57FFDA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433D24no red cones; affects about 1% of men; ΔE 63.4 from the original

Deuteranopia#685D1Eno green cones; the most common form, about 1% of men; ΔE 63.4 from the original

Tritanopia#BA0015no blue cones; rare, and affects men and women equally; ΔE 15 from the original

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

Contrast with white, large text7.8:1WCAG large text: AAA

Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Firebrick · ΔE 8.7 Brown · ΔE 10 Dark red · ΔE 15 Maroon · ΔE 16.4 Crimson · ΔE 17 Indian red · ΔE 25.1

Nearest named CSS colourFirebrick (#B22222)ΔE 8.69, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A883

Analogous#A80079, #A82F00

Triadic#25A800, #0025A8

Split complementary#00A82F, #0079A8

Tetradic#79A800, #00A883, #2F00A8

Tints, shades & saturation

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

Lighter +40%#FF7593

Lighter +30%#FF426C

Lighter +20%#FF0F44

Lighter +10%#DB0030

Darker −10%#75001A

Darker −20%#42000F

Darker −30%#0F0003

Darker −40%#000000

More saturated +25%#A80025

Less saturated −25%#931531

Channel breakdown

R168

B37

Red168 (65.9%)

Green0 (0%)

Blue37 (14.5%)

Hue346.79°

Saturation (HSL)100%

Lightness32.94%

Dominant channelRed

Hex per channelR A8 · G 00 · B 25

Keep nerding

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#A80025

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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