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Recognised as Colour

#8B3403

  • #8B3403
  • Orange
  • Dark
  • Nearest: Saddle brown

#8B3403 is a orange with RGB values 139, 52, 3 and HSL 22°, 96%, 28%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#8B3403#8B3403
HEX#8B3403
RGBrgb(139, 52, 3)
RGB (0–1)0.5451, 0.2039, 0.0118
RGB percentages54.5%, 20.4%, 1.2%
HSLhsl(21.6, 95.8%, 27.8%)
HSV / HSBhsv(21.6, 97.8%, 54.5%)
CMYK0%, 62.6%, 97.8%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,122,819
CSS custom property--colour: #8B3403;

Brightness & contrast

Relative luminance0.07952WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#74CBFC

Colour vision & accessibility

Protanopia#4E4300no red cones; affects about 1% of men; ΔE 38.5 from the original
Deuteranopia#635700no green cones; the most common form, about 1% of men; ΔE 39 from the original
Tritanopia#9A1C2Cno blue cones; rare, and affects men and women equally; ΔE 25.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Nearest named CSS colourSaddle brown (#8B4513)ΔE 9.87, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#035A8B
Analogous#8B0316, #8B7803
Triadic#038B34, #34038B
Split complementary#038B78, #03168B
Tetradic#168B03, #035A8B, #78038B

Tints, shades & saturation

Lighter +40%#FC975E
Lighter +30%#FA772D
Lighter +20%#EF5905
Lighter +10%#BD4704
Darker −10%#592102
Darker −20%#270F01
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8E3300
Less saturated −25%#793915

Channel breakdown

R139
G52
B3
Red139 (54.5%)
Green52 (20.4%)
Blue3 (1.2%)
Hue21.62°
Saturation (HSL)95.77%
Lightness27.84%
Dominant channelRed
Hex per channelR 8B · G 34 · B 03

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Every value on this page was computed from “8b3403” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.