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Recognised as Colour

#91012F

  • #91012F
  • Red
  • Dark
  • Nearest: Brown

#91012F is a red with RGB values 145, 1, 47 and HSL 341°, 99%, 29%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#91012F#91012F
HEX#91012F
RGBrgb(145, 1, 47)
RGB (0–1)0.5686, 0.0039, 0.1843
RGB percentages56.9%, 0.4%, 18.4%
HSLhsl(340.8, 98.6%, 28.6%)
HSV / HSBhsv(340.8, 99.3%, 56.9%)
CMYK0%, 99.3%, 67.6%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,503,023
CSS custom property--colour: #91012F;

Brightness & contrast

Relative luminance0.06247WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.34:1
Contrast with white9.34:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#6EFED0

Colour vision & accessibility

Protanopia#37352Fno red cones; affects about 1% of men; ΔE 56.4 from the original
Deuteranopia#58502Bno green cones; the most common form, about 1% of men; ΔE 56.7 from the original
Tritanopia#A0001Ano blue cones; rare, and affects men and women equally; ΔE 18.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.34:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 15.76, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#019163
Analogous#910177, #911B01
Triadic#2F9101, #012F91
Split complementary#01911B, #017791
Tetradic#779101, #019163, #1B0191

Tints, shades & saturation

Lighter +40%#FE6093
Lighter +30%#FE2D70
Lighter +20%#F60250
Lighter +10%#C4013F
Darker −10%#5E011F
Darker −20%#2C000E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#92002F
Less saturated −25%#7F1336

Channel breakdown

R145
G1
B47
Red145 (56.9%)
Green1 (0.4%)
Blue47 (18.4%)
Hue340.83°
Saturation (HSL)98.63%
Lightness28.63%
Dominant channelRed
Hex per channelR 91 · G 01 · B 2F

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Every value on this page was computed from “91012f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.