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Recognised as Colour

#57381F

  • #57381F
  • Orange
  • Dark
  • Nearest: Saddle brown

#57381F is a orange with RGB values 87, 56, 31 and HSL 27°, 47%, 23%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#57381F#57381F
HEX#57381F
RGBrgb(87, 56, 31)
RGB (0–1)0.3412, 0.2196, 0.1216
RGB percentages34.1%, 22%, 12.2%
HSLhsl(26.8, 47.5%, 23.1%)
HSV / HSBhsv(26.8, 64.4%, 34.1%)
CMYK0%, 35.6%, 64.4%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,715,999
CSS custom property--colour: #57381F;

Brightness & contrast

Relative luminance0.04954WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.55:1
Contrast with white10.55:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#A8C7E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#413B1Dno red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#49421Fno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#5F3232no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.55:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 27.5Sienna · ΔE 29.2Dim grey · ΔE 29.6Dark slate grey · ΔE 33.8Dark olivegreen · ΔE 34.9Black · ΔE 35.6
Nearest named CSS colourSaddle brown (#8B4513)ΔE 27.54, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F3E57
Analogous#571F22, #57541F
Triadic#1F5738, #381F57
Split complementary#1F5754, #1F2257
Tetradic#22571F, #1F3E57, #541F57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CE9C74
Lighter +30%#C0814F
Lighter +20%#A2683A
Lighter +10%#7D502C
Darker −10%#312012
Darker −20%#0C0804
Darker −30%#000000
Darker −40%#000000
More saturated +25%#663610
Less saturated −25%#483A2E

Channel breakdown

R87
G56
B31
Red87 (34.1%)
Green56 (22%)
Blue31 (12.2%)
Hue26.79°
Saturation (HSL)47.46%
Lightness23.14%
Dominant channelRed
Hex per channelR 57 · G 38 · B 1F

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Every value on this page was computed from “57381f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.