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Colour

#A34B2B

  • #A34B2B
  • Orange
  • Dark
  • Nearest: Sienna

#A34B2B is a orange with RGB values 163, 75, 43 and HSL 16°, 58%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#A34B2B#A34B2B
HEX#A34B2B
RGBrgb(163, 75, 43)
RGB (0–1)0.6392, 0.2941, 0.1686
RGB percentages63.9%, 29.4%, 16.9%
HSLhsl(16, 58.3%, 40.4%)
HSV / HSBhsv(16, 73.6%, 63.9%)
CMYK0%, 54%, 73.6%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,701,611
CSS custom property--colour: #A34B2B;

Brightness & contrast

Relative luminance0.12993WCAG 2.x, 0 is black and 1 is white
Perceived brightness107 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.84:1
Contrast with white5.84:1WCAG normal text: AA
Contrast with black3.6:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#5CB4D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#635927no red cones; affects about 1% of men; ΔE 38 from the original
Deuteranopia#796C29no green cones; the most common form, about 1% of men; ΔE 37.9 from the original
Tritanopia#B33944no blue cones; rare, and affects men and women equally; ΔE 21.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.84:1WCAG large text: AAA
Contrast with black, large text3.6:1WCAG large text: AA

Named colours

Sienna · ΔE 5Saddle brown · ΔE 10.8Brown · ΔE 17.2Indian red · ΔE 20.3Firebrick · ΔE 22.1Maroon · ΔE 22.2
Nearest named CSS colourSienna (#A0522D)ΔE 4.97, a close match
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B83A3
Analogous#A32B47, #A3872B
Triadic#2BA34B, #4B2BA3
Split complementary#2BA387, #2B47A3
Tetradic#47A32B, #2B83A3, #872BA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EABFB0
Lighter +30%#DF9F88
Lighter +20%#D57F5F
Lighter +10%#CA5E37
Darker −10%#7B3820
Darker −20%#522616
Darker −30%#2A130B
Darker −40%#020100
More saturated +25%#BD3F11
Less saturated −25%#895745

Channel breakdown

R163
G75
B43
Red163 (63.9%)
Green75 (29.4%)
Blue43 (16.9%)
Hue16°
Saturation (HSL)58.25%
Lightness40.39%
Dominant channelRed
Hex per channelR A3 · G 4B · B 2B

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Every value on this page was computed from “a34b2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.