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Recognised as Colour

#810F39

  • #810F39
  • Red
  • Dark
  • Nearest: Brown

#810F39 is a red with RGB values 129, 15, 57 and HSL 338°, 79%, 28%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#810F39#810F39
HEX#810F39
RGBrgb(129, 15, 57)
RGB (0–1)0.5059, 0.0588, 0.2235
RGB percentages50.6%, 5.9%, 22.4%
HSLhsl(337.9, 79.2%, 28.2%)
HSV / HSBhsv(337.9, 88.4%, 50.6%)
CMYK0%, 88.4%, 55.8%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,458,041
CSS custom property--colour: #810F39;

Brightness & contrast

Relative luminance0.05304WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.19:1
Contrast with white10.19:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#7EF0C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#30333Ano red cones; affects about 1% of men; ΔE 49.2 from the original
Deuteranopia#4E4936no green cones; the most common form, about 1% of men; ΔE 49.7 from the original
Tritanopia#8D0023no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.19:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Brown · ΔE 25.9Indian red · ΔE 30.2Maroon · ΔE 31.4Pale violetred · ΔE 33.7Firebrick · ΔE 34Dark red · ΔE 34.8
Nearest named CSS colourBrown (#A52A2A)ΔE 25.91, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F8157
Analogous#810F72, #811E0F
Triadic#39810F, #0F3981
Split complementary#0F811E, #0F7281
Tetradic#72810F, #0F8157, #1E0F81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EE6E9D
Lighter +30%#E9407E
Lighter +20%#DC1A61
Lighter +10%#AF144D
Darker −10%#530A25
Darker −20%#260411
Darker −30%#000000
Darker −40%#000000
More saturated +25%#900035
Less saturated −25%#6F213E

Channel breakdown

R129
G15
B57
Red129 (50.6%)
Green15 (5.9%)
Blue57 (22.4%)
Hue337.89°
Saturation (HSL)79.17%
Lightness28.24%
Dominant channelRed
Hex per channelR 81 · G 0F · B 39

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Every value on this page was computed from “810f39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.