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Recognised as Colour

#B9002A

  • #B9002A
  • Red
  • Dark
  • Nearest: Firebrick

#B9002A is a red with RGB values 185, 0, 42 and HSL 346°, 100%, 36%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B9002A#B9002A
HEX#B9002A
RGBrgb(185, 0, 42)
RGB (0–1)0.7255, 0, 0.1647
RGB percentages72.5%, 0%, 16.5%
HSLhsl(346.4, 100%, 36.3%)
HSV / HSBhsv(346.4, 100%, 72.5%)
CMYK0%, 100%, 77.3%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,124,202
CSS custom property--colour: #B9002A;

Brightness & contrast

Relative luminance0.10481WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.78:1
Contrast with white6.78:1WCAG normal text: AA
Contrast with black3.1:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#46FFD5

Colour vision & accessibility

Protanopia#4A4429no red cones; affects about 1% of men; ΔE 68.4 from the original
Deuteranopia#736723no green cones; the most common form, about 1% of men; ΔE 68 from the original
Tritanopia#CC0018no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.78:1WCAG large text: AAA
Contrast with black, large text3.1:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 9.11, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00B98F
Analogous#B90087, #B93300
Triadic#2AB900, #002AB9
Split complementary#00B933, #0087B9
Tetradic#86B900, #00B98F, #3200B9

Tints, shades & saturation

Lighter +40%#FF86A1
Lighter +30%#FF537A
Lighter +20%#FF2053
Lighter +10%#EC0036
Darker −10%#86001E
Darker −20%#530013
Darker −30%#200007
Darker −40%#000000
More saturated +25%#B9002A
Less saturated −25%#A21737

Channel breakdown

R185
G0
B42
Red185 (72.5%)
Green0 (0%)
Blue42 (16.5%)
Hue346.38°
Saturation (HSL)100%
Lightness36.27%
Dominant channelRed
Hex per channelR B9 · G 00 · B 2A

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Every value on this page was computed from “b9002a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.