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Recognised as Colour

#C41B1D

  • #C41B1D
  • Red
  • Dark
  • Nearest: Firebrick

#C41B1D is a red with RGB values 196, 27, 29 and HSL 359°, 76%, 44%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C41B1D#C41B1D
HEX#C41B1D
RGBrgb(196, 27, 29)
RGB (0–1)0.7686, 0.1059, 0.1137
RGB percentages76.9%, 10.6%, 11.4%
HSLhsl(359.3, 75.8%, 43.7%)
HSV / HSBhsv(359.3, 86.2%, 76.9%)
CMYK0%, 86.2%, 85.2%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,851,997
CSS custom property--colour: #C41B1D;

Brightness & contrast

Relative luminance0.12608WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.96:1
Contrast with white5.96:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#3BE4E2

Colour vision & accessibility

Protanopia#564C1Ano red cones; affects about 1% of men; ΔE 67.4 from the original
Deuteranopia#7E7012no green cones; the most common form, about 1% of men; ΔE 67.5 from the original
Tritanopia#D8001Fno blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.96:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 10.01, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1BC4C2
Analogous#C41B71, #C46E1B
Triadic#1DC41B, #1B1DC4
Split complementary#1BC46E, #1B71C4
Tetradic#71C41B, #1BC4C2, #6E1BC4

Tints, shades & saturation

Lighter +40%#F5B6B7
Lighter +30%#EF898A
Lighter +20%#E95C5E
Lighter +10%#E23032
Darker −10%#971516
Darker −20%#6A0F10
Darker −30%#3E0809
Darker −40%#110202
More saturated +25%#DF0003
Less saturated −25%#A83738

Channel breakdown

R196
G27
B29
Red196 (76.9%)
Green27 (10.6%)
Blue29 (11.4%)
Hue359.29°
Saturation (HSL)75.78%
Lightness43.73%
Dominant channelRed
Hex per channelR C4 · G 1B · B 1D

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Every value on this page was computed from “c41b1d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.