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Recognised as Colour

#220D0B

  • #220D0B
  • Red
  • Dark
  • Nearest: Black

#220D0B is a red with RGB values 34, 13, 11 and HSL 5°, 51%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#220D0B#220D0B
HEX#220D0B
RGBrgb(34, 13, 11)
RGB (0–1)0.1333, 0.051, 0.0431
RGB percentages13.3%, 5.1%, 4.3%
HSLhsl(5.2, 51.1%, 8.8%)
HSV / HSBhsv(5.2, 67.6%, 13.3%)
CMYK0%, 61.8%, 67.6%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,231,563
CSS custom property--colour: #220D0B;

Brightness & contrast

Relative luminance0.00652WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.58:1
Contrast with white18.58:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#DDF2F4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#12100Bno red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#17150Bno green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#260A0Dno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.58:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 12.4Dark slate grey · ΔE 34.4Dim grey · ΔE 40Gray · ΔE 48.9Slate grey · ΔE 50.8Saddle brown · ΔE 51
Nearest named CSS colourBlack (#000000)ΔE 12.44, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B2022
Analogous#220B15, #22180B
Triadic#0B220D, #0D0B22
Split complementary#0B2218, #0B1522
Tetradic#15220B, #0B2022, #180B22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC483D
Lighter +30%#963930
Lighter +20%#6F2A24
Lighter +10%#491C17
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#280805
Less saturated −25%#1C1211

Channel breakdown

R34
G13
B11
Red34 (13.3%)
Green13 (5.1%)
Blue11 (4.3%)
Hue5.22°
Saturation (HSL)51.11%
Lightness8.82%
Dominant channelRed
Hex per channelR 22 · G 0D · B 0B

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Every value on this page was computed from “220d0b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.