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Recognised as Colour

#A3671D

  • #A3671D
  • Orange
  • Dark
  • Nearest: Peru

#A3671D is a orange with RGB values 163, 103, 29 and HSL 33°, 70%, 38%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#A3671D#A3671D
HEX#A3671D
RGBrgb(163, 103, 29)
RGB (0–1)0.6392, 0.4039, 0.1137
RGB percentages63.9%, 40.4%, 11.4%
HSLhsl(33.1, 69.8%, 37.6%)
HSV / HSBhsv(33.1, 82.2%, 63.9%)
CMYK0%, 36.8%, 82.2%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,708,765
CSS custom property--colour: #A3671D;

Brightness & contrast

Relative luminance0.17576WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.65:1
Contrast with white4.65:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#5C98E2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A6C10no red cones; affects about 1% of men; ΔE 22.8 from the original
Deuteranopia#897A1Fno green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#B25959no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.65:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Peru · ΔE 13.2Saddle brown · ΔE 16Sienna · ΔE 17.8Dark goldenrod · ΔE 19.4Chocolate · ΔE 21.8Sandy brown · ΔE 25.5
Nearest named CSS colourPeru (#CD853F)ΔE 13.18, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1D59A3
Analogous#A3241D, #9CA31D
Triadic#1DA367, #671DA3
Split complementary#1D9CA3, #241DA3
Tetradic#1DA324, #1D59A3, #A31D9C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EECA9E
Lighter +30%#E6B373
Lighter +20%#DE9B48
Lighter +10%#CE8225
Darker −10%#784C15
Darker −20%#4C300E
Darker −30%#211506
Darker −40%#000000
More saturated +25%#BB6A05
Less saturated −25%#8B6435

Channel breakdown

R163
G103
B29
Red163 (63.9%)
Green103 (40.4%)
Blue29 (11.4%)
Hue33.13°
Saturation (HSL)69.79%
Lightness37.65%
Dominant channelRed
Hex per channelR A3 · G 67 · B 1D

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Every value on this page was computed from “a3671d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.