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Recognised as Colour

#C00837

  • #C00837
  • Red
  • Dark
  • Nearest: Crimson

#C00837 is a red with RGB values 192, 8, 55 and HSL 345°, 92%, 39%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C00837#C00837
HEX#C00837
RGBrgb(192, 8, 55)
RGB (0–1)0.7529, 0.0314, 0.2157
RGB percentages75.3%, 3.1%, 21.6%
HSLhsl(344.7, 92%, 39.2%)
HSV / HSBhsv(344.7, 95.8%, 75.3%)
CMYK0%, 95.8%, 71.4%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,585,015
CSS custom property--colour: #C00837;

Brightness & contrast

Relative luminance0.11656WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.3:1
Contrast with white6.3:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#3FF7C8

Colour vision & accessibility

Protanopia#4D4937no red cones; affects about 1% of men; ΔE 69.5 from the original
Deuteranopia#786C31no green cones; the most common form, about 1% of men; ΔE 69 from the original
Tritanopia#D30022no blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.3:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 10.47, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#08C091
Analogous#C00893, #C03508
Triadic#37C008, #0837C0
Split complementary#08C035, #0893C0
Tetradic#93C008, #08C091, #3508C0

Tints, shades & saturation

Lighter +40%#FB99B2
Lighter +30%#F9688D
Lighter +20%#F73768
Lighter +10%#F10A45
Darker −10%#8F0629
Darker −20%#5E041B
Darker −30%#2D020D
Darker −40%#000000
More saturated +25%#C80033
Less saturated −25%#A72143

Channel breakdown

R192
G8
B55
Red192 (75.3%)
Green8 (3.1%)
Blue55 (21.6%)
Hue344.67°
Saturation (HSL)92%
Lightness39.22%
Dominant channelRed
Hex per channelR C0 · G 08 · B 37

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Every value on this page was computed from “c00837” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.