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Recognised as Colour

#C12B00

  • #C12B00
  • Red
  • Dark
  • Nearest: Firebrick

#C12B00 is a red with RGB values 193, 43, 0 and HSL 13°, 100%, 38%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C12B00#C12B00
HEX#C12B00
RGBrgb(193, 43, 0)
RGB (0–1)0.7569, 0.1686, 0
RGB percentages75.7%, 16.9%, 0%
HSLhsl(13.4, 100%, 37.8%)
HSV / HSBhsv(13.4, 100%, 75.7%)
CMYK0%, 77.7%, 100%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,659,456
CSS custom property--colour: #C12B00;

Brightness & contrast

Relative luminance0.13065WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.81:1
Contrast with white5.81:1WCAG normal text: AA
Contrast with black3.61:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#3ED4FF

Colour vision & accessibility

Protanopia#5C5000no red cones; affects about 1% of men; ΔE 62.5 from the original
Deuteranopia#807100no green cones; the most common form, about 1% of men; ΔE 62.1 from the original
Tritanopia#D50026no blue cones; rare, and affects men and women equally; ΔE 18.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.81:1WCAG large text: AAA
Contrast with black, large text3.61:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 18.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0096C1
Analogous#C10036, #C18B00
Triadic#00C12B, #2B00C1
Split complementary#00C18B, #0036C1
Tetradic#36C100, #0096C1, #8B00C1

Tints, shades & saturation

Lighter +40%#FFA78E
Lighter +30%#FF805B
Lighter +20%#FF5828
Lighter +10%#F43600
Darker −10%#8E2000
Darker −20%#5B1400
Darker −30%#280900
Darker −40%#000000
More saturated +25%#C12B00
Less saturated −25%#A93818

Channel breakdown

R193
G43
B0
Red193 (75.7%)
Green43 (16.9%)
Blue0 (0%)
Hue13.37°
Saturation (HSL)100%
Lightness37.84%
Dominant channelRed
Hex per channelR C1 · G 2B · B 00

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Every value on this page was computed from “c12b00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.