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Recognised as Colour

#662A17

  • #662A17
  • Red
  • Dark
  • Nearest: Saddle brown

#662A17 is a red with RGB values 102, 42, 23 and HSL 14°, 63%, 25%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#662A17#662A17
HEX#662A17
RGBrgb(102, 42, 23)
RGB (0–1)0.4, 0.1647, 0.0902
RGB percentages40%, 16.5%, 9%
HSLhsl(14.4, 63.2%, 24.5%)
HSV / HSBhsv(14.4, 77.5%, 40%)
CMYK0%, 58.8%, 77.5%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,695,447
CSS custom property--colour: #662A17;

Brightness & contrast

Relative luminance0.04543WCAG 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 11:1
Contrast with white11:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#99D5E8

Colour vision & accessibility

Protanopia#3A3415no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#494115no green cones; the most common form, about 1% of men; ΔE 28.6 from the original
Tritanopia#701D26no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Nearest named CSS colourSaddle brown (#8B4513)ΔE 19.96, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#175366
Analogous#66172B, #665217
Triadic#17662A, #2A1766
Split complementary#176652, #172B66
Tetradic#2B6617, #175366, #521766

Tints, shades & saturation

Lighter +40%#DE876B
Lighter +30%#D46542
Lighter +20%#B94C2A
Lighter +10%#903B20
Darker −10%#3C190E
Darker −20%#130804
Darker −30%#000000
Darker −40%#000000
More saturated +25%#762207
Less saturated −25%#563227

Channel breakdown

R102
G42
B23
Red102 (40%)
Green42 (16.5%)
Blue23 (9%)
Hue14.43°
Saturation (HSL)63.2%
Lightness24.51%
Dominant channelRed
Hex per channelR 66 · G 2A · B 17

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Every value on this page was computed from “662a17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.