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Recognised as Colour

#891C05

  • #891C05
  • Red
  • Dark
  • Nearest: Maroon

#891C05 is a red with RGB values 137, 28, 5 and HSL 10°, 93%, 28%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#891C05#891C05
HEX#891C05
RGBrgb(137, 28, 5)
RGB (0–1)0.5373, 0.1098, 0.0196
RGB percentages53.7%, 11%, 2%
HSLhsl(10.5, 93%, 27.8%)
HSV / HSBhsv(10.5, 96.4%, 53.7%)
CMYK0%, 79.6%, 96.4%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,985,605
CSS custom property--colour: #891C05;

Brightness & contrast

Relative luminance0.0616WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.41:1
Contrast with white9.41:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#76E3FA

Colour vision & accessibility

Protanopia#3F3700no red cones; affects about 1% of men; ΔE 48.6 from the original
Deuteranopia#5A4F00no green cones; the most common form, about 1% of men; ΔE 48.2 from the original
Tritanopia#980019no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.41:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 6.11, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#057289
Analogous#890530, #895E05
Triadic#05891C, #1C0589
Split complementary#05895E, #053089
Tetradic#308905, #057289, #5E0589

Tints, shades & saturation

Lighter +40%#F97B61
Lighter +30%#F75230
Lighter +20%#EB3009
Lighter +10%#BA2607
Darker −10%#581203
Darker −20%#270801
Darker −30%#000000
Darker −40%#000000
More saturated +25%#8E1900
Less saturated −25%#772817

Channel breakdown

R137
G28
B5
Red137 (53.7%)
Green28 (11%)
Blue5 (2%)
Hue10.45°
Saturation (HSL)92.96%
Lightness27.84%
Dominant channelRed
Hex per channelR 89 · G 1C · B 05

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Every value on this page was computed from “891c05” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.