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Recognised as Colour

#3B3631

  • #3B3631
  • Orange
  • Dark
  • Nearest: Dark slate grey

#3B3631 is a orange with RGB values 59, 54, 49 and HSL 30°, 9%, 21%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3B3631#3B3631
HEX#3B3631
RGBrgb(59, 54, 49)
RGB (0–1)0.2314, 0.2118, 0.1922
RGB percentages23.1%, 21.2%, 19.2%
HSLhsl(30, 9.3%, 21.2%)
HSV / HSBhsv(30, 16.9%, 23.1%)
CMYK0%, 8.5%, 16.9%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,880,497
CSS custom property--colour: #3B3631;

Brightness & contrast

Relative luminance0.0379WCAG 2.x, 0 is black and 1 is white
Perceived brightness55 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.95:1
Contrast with white11.95:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#C4C9CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#383631no red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#393731no green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#3D3535no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.95:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.1Dim grey · ΔE 21.8Black · ΔE 23.3Gray · ΔE 30.9Slate grey · ΔE 33.4Light slate grey · ΔE 36.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.12, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#31363B
Analogous#3B3131, #3B3B31
Triadic#313B36, #36313B
Split complementary#313B3B, #31313B
Tetradic#313B31, #31363B, #3B313B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A59C93
Lighter +30%#8E8377
Lighter +20%#73695F
Lighter +10%#575048
Darker −10%#1F1D1A
Darker −20%#030303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#493624
Less saturated −25%#363636

Channel breakdown

R59
G54
B49
Red59 (23.1%)
Green54 (21.2%)
Blue49 (19.2%)
Hue30°
Saturation (HSL)9.26%
Lightness21.18%
Dominant channelRed
Hex per channelR 3B · G 36 · B 31

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Every value on this page was computed from “3b3631” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.