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Recognised as Colour

#BB2E25

  • #BB2E25
  • Red
  • Dark
  • Nearest: Firebrick

#BB2E25 is a red with RGB values 187, 46, 37 and HSL 4°, 67%, 44%. 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

#BB2E25#BB2E25
HEX#BB2E25
RGBrgb(187, 46, 37)
RGB (0–1)0.7333, 0.1804, 0.1451
RGB percentages73.3%, 18%, 14.5%
HSLhsl(3.6, 67%, 43.9%)
HSV / HSBhsv(3.6, 80.2%, 73.3%)
CMYK0%, 75.4%, 80.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,267,045
CSS custom property--colour: #BB2E25;

Brightness & contrast

Relative luminance0.12652WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.95:1
Contrast with white5.95:1WCAG normal text: AA
Contrast with black3.53:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#44D1DA

Colour vision & accessibility

Protanopia#595022no red cones; affects about 1% of men; ΔE 59.7 from the original
Deuteranopia#7C6F1Eno green cones; the most common form, about 1% of men; ΔE 59.9 from the original
Tritanopia#CE002Eno blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.95:1WCAG large text: AAA
Contrast with black, large text3.53:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 3.84, a close match
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#25B2BB
Analogous#BB2567, #BB7925
Triadic#25BB2E, #2E25BB
Split complementary#25BB79, #2567BB
Tetradic#67BB25, #25B2BB, #7925BB

Tints, shades & saturation

Lighter +40%#F1BEBB
Lighter +30%#E99590
Lighter +20%#E16D65
Lighter +10%#D8443B
Darker −10%#90241D
Darker −20%#661914
Darker −30%#3B0F0C
Darker −40%#110403
More saturated +25%#D71509
Less saturated −25%#9F4741

Channel breakdown

R187
G46
B37
Red187 (73.3%)
Green46 (18%)
Blue37 (14.5%)
Hue3.6°
Saturation (HSL)66.96%
Lightness43.92%
Dominant channelRed
Hex per channelR BB · G 2E · B 25

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Every value on this page was computed from “bb2e25” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.