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Recognised as Colour

#89403A

  • #89403A
  • Red
  • Dark
  • Nearest: Sienna

#89403A is a red with RGB values 137, 64, 58 and HSL 5°, 41%, 38%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Sienna.

Colour values

#89403A#89403A
HEX#89403A
RGBrgb(137, 64, 58)
RGB (0–1)0.5373, 0.251, 0.2275
RGB percentages53.7%, 25.1%, 22.7%
HSLhsl(4.6, 40.5%, 38.2%)
HSV / HSBhsv(4.6, 57.7%, 53.7%)
CMYK0%, 53.3%, 57.7%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,994,874
CSS custom property--colour: #89403A;

Brightness & contrast

Relative luminance0.09291WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.35:1
Contrast with white7.35:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#76BFC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#524C39no red cones; affects about 1% of men; ΔE 32.4 from the original
Deuteranopia#645C39no green cones; the most common form, about 1% of men; ΔE 33.2 from the original
Tritanopia#95343Fno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.35:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Sienna · ΔE 18.7Indian red · ΔE 22.4Brown · ΔE 22.7Saddle brown · ΔE 23Maroon · ΔE 28.5Dark red · ΔE 31.8
Nearest named CSS colourSienna (#A0522D)ΔE 18.73, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A8389
Analogous#893A5B, #89683A
Triadic#3A8940, #403A89
Split complementary#3A8968, #3A5B89
Tetradic#5B893A, #3A8389, #683A89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEB4B1
Lighter +30%#CF928D
Lighter +20%#C07069
Lighter +10%#AD5149
Darker −10%#652F2B
Darker −20%#411F1C
Darker −30%#1E0E0C
Darker −40%#000000
More saturated +25%#A12B22
Less saturated −25%#715552

Channel breakdown

R137
G64
B58
Red137 (53.7%)
Green64 (25.1%)
Blue58 (22.7%)
Hue4.56°
Saturation (HSL)40.51%
Lightness38.24%
Dominant channelRed
Hex per channelR 89 · G 40 · B 3A

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Every value on this page was computed from “89403a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.