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Recognised as Colour

#BB2A24

  • #BB2A24
  • Red
  • Dark
  • Nearest: Firebrick

#BB2A24 is a red with RGB values 187, 42, 36 and HSL 2°, 68%, 44%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BB2A24#BB2A24
HEX#BB2A24
RGBrgb(187, 42, 36)
RGB (0–1)0.7333, 0.1647, 0.1412
RGB percentages73.3%, 16.5%, 14.1%
HSLhsl(2.4, 67.7%, 43.7%)
HSV / HSBhsv(2.4, 80.7%, 73.3%)
CMYK0%, 77.5%, 80.7%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,266,020
CSS custom property--colour: #BB2A24;

Brightness & contrast

Relative luminance0.12348WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.05:1
Contrast with white6.05:1WCAG normal text: AA
Contrast with black3.47:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#44D5DB

Colour vision & accessibility

Protanopia#574E21no red cones; affects about 1% of men; ΔE 61 from the original
Deuteranopia#7B6E1Dno green cones; the most common form, about 1% of men; ΔE 61.1 from the original
Tritanopia#CE002Bno blue cones; rare, and affects men and women equally; ΔE 12.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.05:1WCAG large text: AAA
Contrast with black, large text3.47:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 3.43, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#24B5BB
Analogous#BB246A, #BB7524
Triadic#24BB2A, #2A24BB
Split complementary#24BB75, #246ABB
Tetradic#6ABB24, #24B5BB, #7524BB

Tints, shades & saturation

Lighter +40%#F2BCB9
Lighter +30%#E9928F
Lighter +20%#E16964
Lighter +10%#D93F39
Darker −10%#90201C
Darker −20%#651714
Darker −30%#3B0D0B
Darker −40%#100403
More saturated +25%#D71008
Less saturated −25%#9F4440

Channel breakdown

R187
G42
B36
Red187 (73.3%)
Green42 (16.5%)
Blue36 (14.1%)
Hue2.38°
Saturation (HSL)67.71%
Lightness43.73%
Dominant channelRed
Hex per channelR BB · G 2A · B 24

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Every value on this page was computed from “bb2a24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.