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Recognised as Colour

#220D15

  • #220D15
  • Red
  • Dark
  • Nearest: Black

#220D15 is a red with RGB values 34, 13, 21 and HSL 337°, 45%, 9%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#220D15#220D15
HEX#220D15
RGBrgb(34, 13, 21)
RGB (0–1)0.1333, 0.051, 0.0824
RGB percentages13.3%, 5.1%, 8.2%
HSLhsl(337.1, 44.7%, 9.2%)
HSV / HSBhsv(337.1, 61.8%, 13.3%)
CMYK0%, 61.8%, 38.2%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,231,573
CSS custom property--colour: #220D15;

Brightness & contrast

Relative luminance0.00682WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.48:1
Contrast with white18.48:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#DDF2EA

Colour vision & accessibility

Protanopia#101115no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#151515no green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#250C10no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.48:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 13.3, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0D221A
Analogous#220D20, #22100D
Triadic#15220D, #0D1522
Split complementary#0D2210, #0D2022
Tetradic#1F220D, #0D221A, #0F0D22

Tints, shades & saturation

Lighter +40%#B64570
Lighter +30%#913759
Lighter +20%#6C2943
Lighter +10%#471B2C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#280714
Less saturated −25%#1C1316

Channel breakdown

R34
G13
B21
Red34 (13.3%)
Green13 (5.1%)
Blue21 (8.2%)
Hue337.14°
Saturation (HSL)44.68%
Lightness9.22%
Dominant channelRed
Hex per channelR 22 · G 0D · B 15

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Every value on this page was computed from “220d15” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.