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Recognised as Colour

#AF2D31

  • #AF2D31
  • Red
  • Dark
  • Nearest: Brown

#AF2D31 is a red with RGB values 175, 45, 49 and HSL 358°, 59%, 43%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AF2D31#AF2D31
HEX#AF2D31
RGBrgb(175, 45, 49)
RGB (0–1)0.6863, 0.1765, 0.1922
RGB percentages68.6%, 17.6%, 19.2%
HSLhsl(358.2, 59.1%, 43.1%)
HSV / HSBhsv(358.2, 74.3%, 68.6%)
CMYK0%, 74.3%, 72%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,480,369
CSS custom property--colour: #AF2D31;

Brightness & contrast

Relative luminance0.11212WCAG 2.x, 0 is black and 1 is white
Perceived brightness103 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#50D2CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#534C30no red cones; affects about 1% of men; ΔE 55.8 from the original
Deuteranopia#74682Dno green cones; the most common form, about 1% of men; ΔE 55.7 from the original
Tritanopia#C10030no blue cones; rare, and affects men and women equally; ΔE 14 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Brown · ΔE 3.5Firebrick · ΔE 8.9Dark red · ΔE 16.7Indian red · ΔE 17Maroon · ΔE 17.2Crimson · ΔE 20.5
Nearest named CSS colourBrown (#A52A2A)ΔE 3.54, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2DAFAB
Analogous#AF2D72, #AF6A2D
Triadic#31AF2D, #2D31AF
Split complementary#2DAF6A, #2D72AF
Tetradic#72AF2D, #2DAFAB, #6A2DAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDBBBC
Lighter +30%#E39295
Lighter +20%#D9696D
Lighter +10%#CE4145
Darker −10%#862326
Darker −20%#5E181A
Darker −30%#350E0F
Darker −40%#0D0304
More saturated +25%#CB1217
Less saturated −25%#93494B

Channel breakdown

R175
G45
B49
Red175 (68.6%)
Green45 (17.6%)
Blue49 (19.2%)
Hue358.15°
Saturation (HSL)59.09%
Lightness43.14%
Dominant channelRed
Hex per channelR AF · G 2D · B 31

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Every value on this page was computed from “af2d31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.