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Colour

#C40B2B

  • #C40B2B
  • Red
  • Dark
  • Nearest: Crimson

#C40B2B is a red with RGB values 196, 11, 43 and HSL 350°, 89%, 41%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C40B2B#C40B2B
HEX#C40B2B
RGBrgb(196, 11, 43)
RGB (0–1)0.7686, 0.0431, 0.1686
RGB percentages76.9%, 4.3%, 16.9%
HSLhsl(349.6, 89.4%, 40.6%)
HSV / HSBhsv(349.6, 94.4%, 76.9%)
CMYK0%, 94.4%, 78.1%, 23.1%naive device-independent conversion; real print needs an ICC profile
24-bit integer12,847,915
CSS custom property--colour: #C40B2B;

Brightness & contrast

Relative luminance0.1215WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#3BF4D4

Colour vision & accessibility

Protanopia#514A2Ano red cones; affects about 1% of men; ΔE 70.2 from the original
Deuteranopia#7C6F23no green cones; the most common form, about 1% of men; ΔE 70.1 from the original
Tritanopia#D8001Dno blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 8.25, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0BC4A4
Analogous#C40B87, #C4470B
Triadic#2BC40B, #0B2BC4
Split complementary#0BC448, #0B87C4
Tetradic#88C40B, #0BC4A4, #480BC4

Tints, shades & saturation

Lighter +40%#FAA1B1
Lighter +30%#F77188
Lighter +20%#F44160
Lighter +10%#F21037
Darker −10%#940820
Darker −20%#630616
Darker −30%#33030B
Darker −40%#030001
More saturated +25%#CF0024
Less saturated −25%#AA253C

Channel breakdown

R196
G11
B43
Red196 (76.9%)
Green11 (4.3%)
Blue43 (16.9%)
Hue349.62°
Saturation (HSL)89.37%
Lightness40.59%
Dominant channelRed
Hex per channelR C4 · G 0B · B 2B

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Every value on this page was computed from “c40b2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.