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Recognised as Colour

#CC1B3A

  • #CC1B3A
  • Red
  • Dark
  • Nearest: Crimson

#CC1B3A is a red with RGB values 204, 27, 58 and HSL 349°, 77%, 45%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CC1B3A#CC1B3A
HEX#CC1B3A
RGBrgb(204, 27, 58)
RGB (0–1)0.8, 0.1059, 0.2275
RGB percentages80%, 10.6%, 22.7%
HSLhsl(349.5, 76.6%, 45.3%)
HSV / HSBhsv(349.5, 86.8%, 80%)
CMYK0%, 86.8%, 71.6%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,376,314
CSS custom property--colour: #CC1B3A;

Brightness & contrast

Relative luminance0.13927WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.55:1
Contrast with white5.55:1WCAG normal text: AA
Contrast with black3.79:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#33E4C5

Colour vision & accessibility

Protanopia#57513Ano red cones; affects about 1% of men; ΔE 69.8 from the original
Deuteranopia#827534no green cones; the most common form, about 1% of men; ΔE 69.8 from the original
Tritanopia#E1002Ano blue cones; rare, and affects men and women equally; ΔE 16.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.55:1WCAG large text: AAA
Contrast with black, large text3.79:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 6.75, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1BCCAD
Analogous#CC1B93, #CC551B
Triadic#3ACC1B, #1B3ACC
Split complementary#1BCC55, #1B93CC
Tetradic#92CC1B, #1BCCAD, #551BCC

Tints, shades & saturation

Lighter +40%#F6BDC7
Lighter +30%#F090A1
Lighter +20%#EA637A
Lighter +10%#E43654
Darker −10%#9F152D
Darker −20%#720F20
Darker −30%#450914
Darker −40%#180307
More saturated +25%#E70028
Less saturated −25%#AF384D

Channel breakdown

R204
G27
B58
Red204 (80%)
Green27 (10.6%)
Blue58 (22.7%)
Hue349.49°
Saturation (HSL)76.62%
Lightness45.29%
Dominant channelRed
Hex per channelR CC · G 1B · B 3A

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Every value on this page was computed from “cc1b3a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.