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Recognised as Colour

#3F3320

  • #3F3320
  • Orange
  • Dark
  • Nearest: Dark slate grey

#3F3320 is a orange with RGB values 63, 51, 32 and HSL 37°, 33%, 19%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F3320#3F3320
HEX#3F3320
RGBrgb(63, 51, 32)
RGB (0–1)0.2471, 0.2, 0.1255
RGB percentages24.7%, 20%, 12.5%
HSLhsl(36.8, 32.6%, 18.6%)
HSV / HSBhsv(36.8, 49.2%, 24.7%)
CMYK0%, 19%, 49.2%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,141,856
CSS custom property--colour: #3F3320;

Brightness & contrast

Relative luminance0.03529WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.31:1
Contrast with white12.31:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#C0CCDF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#38331Fno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#3B3621no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#44302Eno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.31:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.4Black · ΔE 26.2Dim grey · ΔE 26.5Dark olivegreen · ΔE 33.5Gray · ΔE 34.6Saddle brown · ΔE 39.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.42, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#202C3F
Analogous#3F2320, #3C3F20
Triadic#203F33, #33203F
Split complementary#203C3F, #23203F
Tetradic#203F23, #202C3F, #3F203C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B89D73
Lighter +30%#A48554
Lighter +20%#836A42
Lighter +10%#614E31
Darker −10%#1D180F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4B3614
Less saturated −25%#33302C

Channel breakdown

R63
G51
B32
Red63 (24.7%)
Green51 (20%)
Blue32 (12.5%)
Hue36.77°
Saturation (HSL)32.63%
Lightness18.63%
Dominant channelRed
Hex per channelR 3F · G 33 · B 20

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Every value on this page was computed from “3f3320” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.