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Recognised as Colour

#D51F49

  • #D51F49
  • Red
  • Dark
  • Nearest: Crimson

#D51F49 is a red with RGB values 213, 31, 73 and HSL 346°, 75%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D51F49#D51F49
HEX#D51F49
RGBrgb(213, 31, 73)
RGB (0–1)0.8353, 0.1216, 0.2863
RGB percentages83.5%, 12.2%, 28.6%
HSLhsl(346.2, 74.6%, 47.8%)
HSV / HSBhsv(346.2, 85.4%, 83.5%)
CMYK0%, 85.4%, 65.7%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,967,177
CSS custom property--colour: #D51F49;

Brightness & contrast

Relative luminance0.15607WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.1:1
Contrast with white5.1:1WCAG normal text: AA
Contrast with black4.12:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#2AE0B6

Colour vision & accessibility

Protanopia#5A5649no red cones; affects about 1% of men; ΔE 71.4 from the original
Deuteranopia#877B44no green cones; the most common form, about 1% of men; ΔE 71.8 from the original
Tritanopia#EA0033no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.1:1WCAG large text: AAA
Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 9.42, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#1FD5AB
Analogous#D51FA4, #D5501F
Triadic#49D51F, #1F49D5
Split complementary#1FD550, #1FA4D5
Tetradic#A4D51F, #1FD5AB, #501FD5

Tints, shades & saturation

Lighter +40%#F7C9D4
Lighter +30%#F19CB0
Lighter +20%#EA708C
Lighter +10%#E44368
Darker −10%#A8193A
Darker −20%#7C122A
Darker −30%#4F0C1B
Darker −40%#23050C
More saturated +25%#F40039
Less saturated −25%#B73E59

Channel breakdown

R213
G31
B73
Red213 (83.5%)
Green31 (12.2%)
Blue73 (28.6%)
Hue346.15°
Saturation (HSL)74.59%
Lightness47.84%
Dominant channelRed
Hex per channelR D5 · G 1F · B 49

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Every value on this page was computed from “d51f49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.