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Recognised as Colour

#CB0211

  • #CB0211
  • Red
  • Dark
  • Nearest: Firebrick

#CB0211 is a red with RGB values 203, 2, 17 and HSL 356°, 98%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CB0211#CB0211
HEX#CB0211
RGBrgb(203, 2, 17)
RGB (0–1)0.7961, 0.0078, 0.0667
RGB percentages79.6%, 0.8%, 6.7%
HSLhsl(355.5, 98%, 40.2%)
HSV / HSBhsv(355.5, 99%, 79.6%)
CMYK0%, 99%, 91.6%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,304,337
CSS custom property--colour: #CB0211;

Brightness & contrast

Relative luminance0.1278WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.91:1
Contrast with white5.91:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#34FDEE

Colour vision & accessibility

Protanopia#554A0Cno red cones; affects about 1% of men; ΔE 72.6 from the original
Deuteranopia#817200no green cones; the most common form, about 1% of men; ΔE 72.4 from the original
Tritanopia#E0000Fno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.91:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 17.8, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#02CBBC
Analogous#CB0276, #CB5702
Triadic#11CB02, #0211CB
Split complementary#02CB58, #0276CB
Tetradic#76CB02, #02CBBC, #5702CB

Tints, shades & saturation

Lighter +40%#FE9BA2
Lighter +30%#FE6874
Lighter +20%#FD3645
Lighter +10%#FD0316
Darker −10%#98020D
Darker −20%#660109
Darker −30%#330104
Darker −40%#010000
More saturated +25%#CD000F
Less saturated −25%#B11C27

Channel breakdown

R203
G2
B17
Red203 (79.6%)
Green2 (0.8%)
Blue17 (6.7%)
Hue355.52°
Saturation (HSL)98.05%
Lightness40.2%
Dominant channelRed
Hex per channelR CB · G 02 · B 11

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Every value on this page was computed from “cb0211” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.