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Recognised as Colour

#D3122F

  • #D3122F
  • Red
  • Dark
  • Nearest: Crimson

#D3122F is a red with RGB values 211, 18, 47 and HSL 351°, 84%, 45%. 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

#D3122F#D3122F
HEX#D3122F
RGBrgb(211, 18, 47)
RGB (0–1)0.8275, 0.0706, 0.1843
RGB percentages82.7%, 7.1%, 18.4%
HSLhsl(351, 84.3%, 44.9%)
HSV / HSBhsv(351, 91.5%, 82.7%)
CMYK0%, 91.5%, 77.7%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,832,751
CSS custom property--colour: #D3122F;

Brightness & contrast

Relative luminance0.14487WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.39:1
Contrast with white5.39:1WCAG normal text: AA
Contrast with black3.9:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#2CEDD0

Colour vision & accessibility

Protanopia#59512Eno red cones; affects about 1% of men; ΔE 73.4 from the original
Deuteranopia#867827no green cones; the most common form, about 1% of men; ΔE 73.3 from the original
Tritanopia#E90022no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.39:1WCAG large text: AAA
Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Nearest named CSS colourCrimson (#DC143C)ΔE 5.78, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#12D3B6
Analogous#D3128F, #D35612
Triadic#2FD312, #122FD3
Split complementary#12D356, #128FD3
Tetradic#8FD312, #12D3B6, #5612D3

Tints, shades & saturation

Lighter +40%#F9B8C2
Lighter +30%#F58999
Lighter +20%#F15A71
Lighter +10%#ED2B48
Darker −10%#A40E25
Darker −20%#750A1A
Darker −30%#460610
Darker −40%#170205
More saturated +25%#E50022
Less saturated −25%#B62F43

Channel breakdown

R211
G18
B47
Red211 (82.7%)
Green18 (7.1%)
Blue47 (18.4%)
Hue350.98°
Saturation (HSL)84.28%
Lightness44.9%
Dominant channelRed
Hex per channelR D3 · G 12 · B 2F

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Every value on this page was computed from “d3122f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.