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Recognised as Colour

#83300A

  • #83300A
  • Orange
  • Dark
  • Nearest: Saddle brown

#83300A is a orange with RGB values 131, 48, 10 and HSL 19°, 86%, 28%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#83300A#83300A
HEX#83300A
RGBrgb(131, 48, 10)
RGB (0–1)0.5137, 0.1882, 0.0392
RGB percentages51.4%, 18.8%, 3.9%
HSLhsl(18.8, 85.8%, 27.6%)
HSV / HSBhsv(18.8, 92.4%, 51.4%)
CMYK0%, 63.4%, 92.4%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,597,514
CSS custom property--colour: #83300A;

Brightness & contrast

Relative luminance0.06961WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.78:1
Contrast with white8.78:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#7CCFF5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#483F03no red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#5C5205no green cones; the most common form, about 1% of men; ΔE 38.4 from the original
Tritanopia#911A29no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.78:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 9.6Sienna · ΔE 13.5Maroon · ΔE 15.4Dark red · ΔE 17.5Brown · ΔE 18.9Firebrick · ΔE 23.2
Nearest named CSS colourSaddle brown (#8B4513)ΔE 9.65, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A5D83
Analogous#830A20, #836D0A
Triadic#0A8330, #300A83
Split complementary#0A836C, #0A2183
Tetradic#20830A, #0A5D83, #6C0A83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F39266
Lighter +30%#F07136
Lighter +20%#E25311
Lighter +10%#B2410E
Darker −10%#541F06
Darker −20%#240D03
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8D2C00
Less saturated −25%#71371C

Channel breakdown

R131
G48
B10
Red131 (51.4%)
Green48 (18.8%)
Blue10 (3.9%)
Hue18.84°
Saturation (HSL)85.82%
Lightness27.65%
Dominant channelRed
Hex per channelR 83 · G 30 · B 0A

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Every value on this page was computed from “83300a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.