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Recognised as Colour

#B41D37

  • #B41D37
  • Red
  • Dark
  • Nearest: Brown

#B41D37 is a red with RGB values 180, 29, 55 and HSL 350°, 72%, 41%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B41D37#B41D37
HEX#B41D37
RGBrgb(180, 29, 55)
RGB (0–1)0.7059, 0.1137, 0.2157
RGB percentages70.6%, 11.4%, 21.6%
HSLhsl(349.7, 72.2%, 41%)
HSV / HSBhsv(349.7, 83.9%, 70.6%)
CMYK0%, 83.9%, 69.4%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,803,959
CSS custom property--colour: #B41D37;

Brightness & contrast

Relative luminance0.10858WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#4BE2C8

Colour vision & accessibility

Protanopia#4D4937no red cones; affects about 1% of men; ΔE 62.5 from the original
Deuteranopia#726832no green cones; the most common form, about 1% of men; ΔE 62.8 from the original
Tritanopia#C60029no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 10.42, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1DB49A
Analogous#B41D82, #B44F1D
Triadic#37B41D, #1D37B4
Split complementary#1DB44F, #1D82B4
Tetradic#83B41D, #1DB49A, #4F1DB4

Tints, shades & saturation

Lighter +40%#F2ABB8
Lighter +30%#EA8092
Lighter +20%#E3546C
Lighter +10%#DC2847
Darker −10%#88162A
Darker −20%#5C0F1C
Darker −30%#30080F
Darker −40%#040101
More saturated +25%#CE0326
Less saturated −25%#9A3748

Channel breakdown

R180
G29
B55
Red180 (70.6%)
Green29 (11.4%)
Blue55 (21.6%)
Hue349.67°
Saturation (HSL)72.25%
Lightness40.98%
Dominant channelRed
Hex per channelR B4 · G 1D · B 37

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Every value on this page was computed from “b41d37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.