Colour

#AF0004

#AF0004
Red
Dark
Nearest: Firebrick

#AF0004 is a red with RGB values 175, 0, 4 and HSL 359°, 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

#AF0004#AF0004

HEX#AF0004

RGBrgb(175, 0, 4)

RGB (0–1)0.6863, 0, 0.0157

RGB percentages68.6%, 0%, 1.6%

HSLhsl(358.6, 100%, 34.3%)

HSV / HSBhsv(358.6, 100%, 68.6%)

CMYK0%, 100%, 97.7%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,468,804

CSS custom property--colour: #AF0004;

Brightness & contrast

Relative luminance0.09123WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.43:1

Contrast with white7.43:1WCAG normal text: AAA

Contrast with black2.82:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#50FFFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#483F00no red cones; affects about 1% of men; ΔE 65.7 from the original

Deuteranopia#6E6100no green cones; the most common form, about 1% of men; ΔE 64.8 from the original

Tritanopia#C20008no blue cones; rare, and affects men and women equally; ΔE 7 from the original

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

Contrast with white, large text7.43:1WCAG large text: AAA

Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Firebrick · ΔE 12.5 Dark red · ΔE 14.6 Maroon · ΔE 19.7 Brown · ΔE 21.4 Crimson · ΔE 21.5 Tomato · ΔE 26.2

Nearest named CSS colourFirebrick (#B22222)ΔE 12.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AFAB

Analogous#AF005C, #AF5400

Triadic#04AF00, #0004AF

Split complementary#00AF54, #005CAF

Tetradic#5BAF00, #00AFAB, #5300AF

Tints, shades & saturation

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

Lighter +40%#FF7C7F

Lighter +30%#FF494D

Lighter +20%#FF161B

Lighter +10%#E20005

Darker −10%#7C0003

Darker −20%#490002

Darker −30%#160001

Darker −40%#000000

More saturated +25%#AF0004

Less saturated −25%#991619

Channel breakdown

R175

Red175 (68.6%)

Green0 (0%)

Blue4 (1.6%)

Hue358.63°

Saturation (HSL)100%

Lightness34.31%

Dominant channelRed

Hex per channelR AF · G 00 · B 04

Keep nerding

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#AF0004

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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