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Recognised as Colour

#803B31

  • #803B31
  • Red
  • Dark
  • Nearest: Sienna

#803B31 is a red with RGB values 128, 59, 49 and HSL 8°, 45%, 35%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#803B31#803B31
HEX#803B31
RGBrgb(128, 59, 49)
RGB (0–1)0.502, 0.2314, 0.1922
RGB percentages50.2%, 23.1%, 19.2%
HSLhsl(7.6, 44.6%, 34.7%)
HSV / HSBhsv(7.6, 61.7%, 50.2%)
CMYK0%, 53.9%, 61.7%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,403,761
CSS custom property--colour: #803B31;

Brightness & contrast

Relative luminance0.07939WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.12:1
Contrast with white8.12:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#7FC4CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C4730no red cones; affects about 1% of men; ΔE 31.7 from the original
Deuteranopia#5D5530no green cones; the most common form, about 1% of men; ΔE 31.7 from the original
Tritanopia#8C2F39no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.12:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Sienna · ΔE 18.3Saddle brown · ΔE 21.2Brown · ΔE 23.5Indian red · ΔE 25.3Maroon · ΔE 27.4Dark red · ΔE 31
Nearest named CSS colourSienna (#A0522D)ΔE 18.3, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#317680
Analogous#80314F, #806231
Triadic#31803B, #3B3180
Split complementary#318063, #314E80
Tetradic#4F8031, #317680, #633180

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBA9A2
Lighter +30%#CD877D
Lighter +20%#BF6558
Lighter +10%#A54C3F
Darker −10%#5B2A23
Darker −20%#361915
Darker −30%#110807
Darker −40%#000000
More saturated +25%#962A1B
Less saturated −25%#6A4C47

Channel breakdown

R128
G59
B49
Red128 (50.2%)
Green59 (23.1%)
Blue49 (19.2%)
Hue7.59°
Saturation (HSL)44.63%
Lightness34.71%
Dominant channelRed
Hex per channelR 80 · G 3B · B 31

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Every value on this page was computed from “803b31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.