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Recognised as Colour

#651F37

  • #651F37
  • Red
  • Dark
  • Nearest: Brown

#651F37 is a red with RGB values 101, 31, 55 and HSL 339°, 53%, 26%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#651F37#651F37
HEX#651F37
RGBrgb(101, 31, 55)
RGB (0–1)0.3961, 0.1216, 0.2157
RGB percentages39.6%, 12.2%, 21.6%
HSLhsl(339.4, 53%, 25.9%)
HSV / HSBhsv(339.4, 69.3%, 39.6%)
CMYK0%, 69.3%, 45.5%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,627,127
CSS custom property--colour: #651F37;

Brightness & contrast

Relative luminance0.04023WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.64:1
Contrast with white11.64:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#9AE0C8

Colour vision & accessibility

Protanopia#2D3038no red cones; affects about 1% of men; ΔE 33.9 from the original
Deuteranopia#403E35no green cones; the most common form, about 1% of men; ΔE 35 from the original
Tritanopia#6E1629no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.64:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 35.7, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1F654D
Analogous#651F5A, #652A1F
Triadic#37651F, #1F3765
Split complementary#1F652A, #1F5A65
Tetradic#5A651F, #1F654D, #2A1F65

Tints, shades & saturation

Lighter +40%#D67A99
Lighter +30%#CA537C
Lighter +20%#B33761
Lighter +10%#8C2B4C
Darker −10%#3E1322
Darker −20%#17070C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#750E32
Less saturated −25%#542F3C

Channel breakdown

R101
G31
B55
Red101 (39.6%)
Green31 (12.2%)
Blue55 (21.6%)
Hue339.43°
Saturation (HSL)53.03%
Lightness25.88%
Dominant channelRed
Hex per channelR 65 · G 1F · B 37

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Every value on this page was computed from “651f37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.