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Recognised as Colour

#531F00

  • #531F00
  • Orange
  • Dark
  • Nearest: Saddle brown

#531F00 is a orange with RGB values 83, 31, 0 and HSL 22°, 100%, 16%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#531F00#531F00
HEX#531F00
RGBrgb(83, 31, 0)
RGB (0–1)0.3255, 0.1216, 0
RGB percentages32.5%, 12.2%, 0%
HSLhsl(22.4, 100%, 16.3%)
HSV / HSBhsv(22.4, 100%, 32.5%)
CMYK0%, 62.7%, 100%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,447,424
CSS custom property--colour: #531F00;

Brightness & contrast

Relative luminance0.02819WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.43:1
Contrast with white13.43:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#ACE0FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E2700no red cones; affects about 1% of men; ΔE 25.4 from the original
Deuteranopia#3B3300no green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#5C1219no blue cones; rare, and affects men and women equally; ΔE 16.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.43:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 22.3Sienna · ΔE 26.4Maroon · ΔE 27.9Dark red · ΔE 32.4Brown · ΔE 32.7Firebrick · ΔE 39.8
Nearest named CSS colourSaddle brown (#8B4513)ΔE 22.35, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#003453
Analogous#53000A, #534900
Triadic#00531F, #1F0053
Split complementary#005348, #000B53
Tetradic#0A5300, #003453, #480053

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FF7320
Lighter +30%#EC5800
Lighter +20%#B94500
Lighter +10%#863200
Darker −10%#200C00
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#531F00
Less saturated −25%#49220A

Channel breakdown

R83
G31
B0
Red83 (32.5%)
Green31 (12.2%)
Blue0 (0%)
Hue22.41°
Saturation (HSL)100%
Lightness16.27%
Dominant channelRed
Hex per channelR 53 · G 1F · B 00

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Every value on this page was computed from “531f00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.