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Recognised as Colour

#D40A29

  • #D40A29
  • Red
  • Dark
  • Nearest: Crimson

#D40A29 is a red with RGB values 212, 10, 41 and HSL 351°, 91%, 44%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D40A29#D40A29
HEX#D40A29
RGBrgb(212, 10, 41)
RGB (0–1)0.8314, 0.0392, 0.1608
RGB percentages83.1%, 3.9%, 16.1%
HSLhsl(350.8, 91%, 43.5%)
HSV / HSBhsv(350.8, 95.3%, 83.1%)
CMYK0%, 95.3%, 80.7%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,896,233
CSS custom property--colour: #D40A29;

Brightness & contrast

Relative luminance0.14374WCAG 2.x, 0 is black and 1 is white
Perceived brightness117 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.42:1
Contrast with white5.42:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#2BF5D6

Colour vision & accessibility

Protanopia#595027no red cones; affects about 1% of men; ΔE 74.5 from the original
Deuteranopia#86781Fno green cones; the most common form, about 1% of men; ΔE 74.7 from the original
Tritanopia#EA001Dno blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.42:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 8.54, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0AD4B5
Analogous#D40A8E, #D4500A
Triadic#29D40A, #0A29D4
Split complementary#0AD450, #0A8ED4
Tetradic#8ED40A, #0AD4B5, #500AD4

Tints, shades & saturation

Lighter +40%#FBAFBB
Lighter +30%#F97E91
Lighter +20%#F74D67
Lighter +10%#F41D3E
Darker −10%#A30820
Darker −20%#730516
Darker −30%#42030D
Darker −40%#110103
More saturated +25%#DE0022
Less saturated −25%#B8263C

Channel breakdown

R212
G10
B41
Red212 (83.1%)
Green10 (3.9%)
Blue41 (16.1%)
Hue350.79°
Saturation (HSL)90.99%
Lightness43.53%
Dominant channelRed
Hex per channelR D4 · G 0A · B 29

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Every value on this page was computed from “d40a29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.