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Colour

#331B11

  • #331B11
  • Orange
  • Dark
  • Nearest: Black

#331B11 is a orange with RGB values 51, 27, 17 and HSL 18°, 50%, 13%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#331B11#331B11
HEX#331B11
RGBrgb(51, 27, 17)
RGB (0–1)0.2, 0.1059, 0.0667
RGB percentages20%, 10.6%, 6.7%
HSLhsl(17.6, 50%, 13.3%)
HSV / HSBhsv(17.6, 66.7%, 20%)
CMYK0%, 47.1%, 66.7%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,349,265
CSS custom property--colour: #331B11;

Brightness & contrast

Relative luminance0.01528WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.08:1
Contrast with white16.08:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#CCE4EE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#211E10no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#272311no green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#381719no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.08:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 20.3Dark slate grey · ΔE 32.8Dim grey · ΔE 35.3Saddle brown · ΔE 41.5Sienna · ΔE 43.4Gray · ΔE 43.7
Nearest named CSS colourBlack (#000000)ΔE 20.29, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#112933
Analogous#331118, #332C11
Triadic#11331B, #1B1133
Split complementary#11332C, #111833
Tetradic#183311, #112933, #2C1133

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C46F4C
Lighter +30%#A65837
Lighter +20%#80432A
Lighter +10%#592F1E
Darker −10%#0D0704
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C1708
Less saturated −25%#2B1E19

Channel breakdown

R51
G27
B17
Red51 (20%)
Green27 (10.6%)
Blue17 (6.7%)
Hue17.65°
Saturation (HSL)50%
Lightness13.33%
Dominant channelRed
Hex per channelR 33 · G 1B · B 11

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Every value on this page was computed from “331b11” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.