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Recognised as Colour

#812F40

  • #812F40
  • Red
  • Dark
  • Nearest: Brown

#812F40 is a red with RGB values 129, 47, 64 and HSL 348°, 47%, 35%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#812F40#812F40
HEX#812F40
RGBrgb(129, 47, 64)
RGB (0–1)0.5059, 0.1843, 0.251
RGB percentages50.6%, 18.4%, 25.1%
HSLhsl(347.6, 46.6%, 34.5%)
HSV / HSBhsv(347.6, 63.6%, 50.6%)
CMYK0%, 63.6%, 50.4%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,466,240
CSS custom property--colour: #812F40;

Brightness & contrast

Relative luminance0.0707WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.7:1
Contrast with white8.7:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#7ED0BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414140no red cones; affects about 1% of men; ΔE 38.1 from the original
Deuteranopia#56513Eno green cones; the most common form, about 1% of men; ΔE 38.6 from the original
Tritanopia#8C2336no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.7:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Brown · ΔE 26.4Indian red · ΔE 26.8Sienna · ΔE 30.8Pale violetred · ΔE 30.9Maroon · ΔE 32.5Saddle brown · ΔE 34.9
Nearest named CSS colourBrown (#A52A2A)ΔE 26.38, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F8170
Analogous#812F69, #81472F
Triadic#40812F, #2F4081
Split complementary#2F8147, #2F6981
Tetradic#69812F, #2F8170, #472F81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCA0AC
Lighter +30%#CF7A8C
Lighter +20%#C1556B
Lighter +10%#A63D53
Darker −10%#5C212D
Darker −20%#36141B
Darker −30%#110608
Darker −40%#000000
More saturated +25%#971933
Less saturated −25%#6B454D

Channel breakdown

R129
G47
B64
Red129 (50.6%)
Green47 (18.4%)
Blue64 (25.1%)
Hue347.56°
Saturation (HSL)46.59%
Lightness34.51%
Dominant channelRed
Hex per channelR 81 · G 2F · B 40

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Every value on this page was computed from “812f40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.