Colour

#AF0011

#AF0011
Red
Dark
Nearest: Firebrick

#AF0011 is a red with RGB values 175, 0, 17 and HSL 354°, 100%, 34%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#AF0011#AF0011

HEX#AF0011

RGBrgb(175, 0, 17)

RGB (0–1)0.6863, 0, 0.0667

RGB percentages68.6%, 0%, 6.7%

HSLhsl(354.2, 100%, 34.3%)

HSV / HSBhsv(354.2, 100%, 68.6%)

CMYK0%, 100%, 90.3%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,468,817

CSS custom property--colour: #AF0011;

Brightness & contrast

Relative luminance0.09154WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.42:1

Contrast with white7.42:1WCAG normal text: AAA

Contrast with black2.83:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#50FFEE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#483F0Eno red cones; affects about 1% of men; ΔE 65.3 from the original

Deuteranopia#6E6101no green cones; the most common form, about 1% of men; ΔE 65.1 from the original

Tritanopia#C2000Cno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

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

Contrast with white, large text7.42:1WCAG large text: AAA

Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Firebrick · ΔE 8.2 Dark red · ΔE 12.9 Brown · ΔE 17.2 Maroon · ΔE 17.5 Crimson · ΔE 18 Tomato · ΔE 26.2

Nearest named CSS colourFirebrick (#B22222)ΔE 8.18, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AF9E

Analogous#AF0068, #AF4700

Triadic#11AF00, #0011AF

Split complementary#00AF47, #0068AF

Tetradic#68AF00, #00AF9E, #4700AF

Tints, shades & saturation

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

Lighter +40%#FF7C89

Lighter +30%#FF495B

Lighter +20%#FF162D

Lighter +10%#E20016

Darker −10%#7C000C

Darker −20%#490007

Darker −30%#160002

Darker −40%#000000

More saturated +25%#AF0011

Less saturated −25%#991623

Channel breakdown

R175

B17

Red175 (68.6%)

Green0 (0%)

Blue17 (6.7%)

Hue354.17°

Saturation (HSL)100%

Lightness34.31%

Dominant channelRed

Hex per channelR AF · G 00 · B 11

Keep nerding

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#AF0011

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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