Colour

#AF0038

#AF0038
Red
Dark
Nearest: Brown

#AF0038 is a red with RGB values 175, 0, 56 and HSL 341°, 100%, 34%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AF0038#AF0038

HEX#AF0038

RGBrgb(175, 0, 56)

RGB (0–1)0.6863, 0, 0.2196

RGB percentages68.6%, 0%, 22%

HSLhsl(340.8, 100%, 34.3%)

HSV / HSBhsv(340.8, 100%, 68.6%)

CMYK0%, 100%, 68%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,468,856

CSS custom property--colour: #AF0038;

Brightness & contrast

Relative luminance0.09399WCAG 2.x, 0 is black and 1 is white

Perceived brightness97.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.29:1

Contrast with white7.29:1WCAG normal text: AAA

Contrast with black2.88:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#50FFC7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#444138no red cones; affects about 1% of men; ΔE 64.9 from the original

Deuteranopia#6B6233no green cones; the most common form, about 1% of men; ΔE 65.8 from the original

Tritanopia#C1001Fno blue cones; rare, and affects men and women equally; ΔE 20.8 from the original

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

Contrast with white, large text7.29:1WCAG large text: AAA

Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Brown · ΔE 15.3 Firebrick · ΔE 17.5 Crimson · ΔE 18.4 Indian red · ΔE 23.8 Dark red · ΔE 24.3 Maroon · ΔE 24.4

Nearest named CSS colourBrown (#A52A2A)ΔE 15.27, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AF77

Analogous#AF0090, #AF2000

Triadic#38AF00, #0038AF

Split complementary#00AF20, #0090AF

Tetradic#8FAF00, #00AF77, #1F00AF

Tints, shades & saturation

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

Lighter +40%#FF7CA6

Lighter +30%#FF4983

Lighter +20%#FF1661

Lighter +10%#E20048

Darker −10%#7C0028

Darker −20%#490017

Darker −30%#160007

Darker −40%#000000

More saturated +25%#AF0038

Less saturated −25%#991640

Channel breakdown

R175

B56

Red175 (68.6%)

Green0 (0%)

Blue56 (22%)

Hue340.8°

Saturation (HSL)100%

Lightness34.31%

Dominant channelRed

Hex per channelR AF · G 00 · B 38

Keep nerding

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#AF0038

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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