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Recognised as Colour

#D5372E

  • #D5372E
  • Red
  • Dark
  • Nearest: Firebrick

#D5372E is a red with RGB values 213, 55, 46 and HSL 3°, 67%, 51%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#D5372E#D5372E
HEX#D5372E
RGBrgb(213, 55, 46)
RGB (0–1)0.8353, 0.2157, 0.1804
RGB percentages83.5%, 21.6%, 18%
HSLhsl(3.2, 66.5%, 50.8%)
HSV / HSBhsv(3.2, 78.4%, 83.5%)
CMYK0%, 74.2%, 78.4%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,973,294
CSS custom property--colour: #D5372E;

Brightness & contrast

Relative luminance0.17076WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.42:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#2AC8D1

Colour vision & accessibility

Protanopia#675D2Bno red cones; affects about 1% of men; ΔE 65.4 from the original
Deuteranopia#8E7F27no green cones; the most common form, about 1% of men; ΔE 65.3 from the original
Tritanopia#EB0037no 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 text4.76:1WCAG large text: AAA
Contrast with black, large text4.42:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 11.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2ECCD5
Analogous#D52E78, #D58B2E
Triadic#2ED537, #372ED5
Split complementary#2ED58B, #2E78D5
Tetradic#78D52E, #2ECCD5, #8B2ED5

Tints, shades & saturation

Lighter +40%#F7DAD8
Lighter +30%#EFB1AD
Lighter +20%#E68883
Lighter +10%#DE6058
Darker −10%#AD2A23
Darker −20%#83201A
Darker −30%#581612
Darker −40%#2E0B09
More saturated +25%#F41B0F
Less saturated −25%#B6534D

Channel breakdown

R213
G55
B46
Red213 (83.5%)
Green55 (21.6%)
Blue46 (18%)
Hue3.23°
Saturation (HSL)66.53%
Lightness50.78%
Dominant channelRed
Hex per channelR D5 · G 37 · B 2E

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Every value on this page was computed from “d5372e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.