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Recognised as Colour

#55091F

  • #55091F
  • Red
  • Dark
  • Nearest: Maroon

#55091F is a red with RGB values 85, 9, 31 and HSL 343°, 81%, 18%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#55091F#55091F
HEX#55091F
RGBrgb(85, 9, 31)
RGB (0–1)0.3333, 0.0353, 0.1216
RGB percentages33.3%, 3.5%, 12.2%
HSLhsl(342.6, 80.9%, 18.4%)
HSV / HSBhsv(342.6, 89.4%, 33.3%)
CMYK0%, 89.4%, 63.5%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,572,895
CSS custom property--colour: #55091F;

Brightness & contrast

Relative luminance0.02226WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.53:1
Contrast with white14.53:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#AAF6E0

Colour vision & accessibility

Protanopia#1F1F1Fno red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#332F1Dno green cones; the most common form, about 1% of men; ΔE 36.5 from the original
Tritanopia#5E0013no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.53:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Nearest named CSS colourMaroon (#800000)ΔE 33.93, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#09553F
Analogous#550945, #551909
Triadic#1F5509, #091F55
Split complementary#095519, #094555
Tetradic#455509, #09553F, #190955

Tints, shades & saturation

Lighter +40%#EB3F71
Lighter +30%#DF1851
Lighter +20%#B11341
Lighter +10%#830E30
Darker −10%#27040E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5E001B
Less saturated −25%#491524

Channel breakdown

R85
G9
B31
Red85 (33.3%)
Green9 (3.5%)
Blue31 (12.2%)
Hue342.63°
Saturation (HSL)80.85%
Lightness18.43%
Dominant channelRed
Hex per channelR 55 · G 09 · B 1F

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Every value on this page was computed from “55091f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.