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Colour

#222F31

  • #222F31
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#222F31 is a cyan with RGB values 34, 47, 49 and HSL 188°, 18%, 16%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#222F31#222F31
HEX#222F31
RGBrgb(34, 47, 49)
RGB (0–1)0.1333, 0.1843, 0.1922
RGB percentages13.3%, 18.4%, 19.2%
HSLhsl(188, 18.1%, 16.3%)
HSV / HSBhsv(188, 30.6%, 19.2%)
CMYK30.6%, 4.1%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,240,305
CSS custom property--colour: #222F31;

Brightness & contrast

Relative luminance0.02595WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.83:1
Contrast with white13.83:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#DDD0CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D2E31no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#2A2C31no green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#1D3030no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.83:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.6Black · ΔE 19.2Dim grey · ΔE 26.7Slate grey · ΔE 35.4Gray · ΔE 35.7Light slate grey · ΔE 38.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#312422
Analogous#22312B, #222731
Triadic#31222F, #2F3122
Split complementary#312227, #312B22
Tetradic#2C2231, #312422, #273122

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B9EA4
Lighter +30%#61868B
Lighter +20%#4C696D
Lighter +10%#374C4F
Darker −10%#0D1213
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#18373B
Less saturated −25%#292929

Channel breakdown

R34
G47
B49
Red34 (13.3%)
Green47 (18.4%)
Blue49 (19.2%)
Hue188°
Saturation (HSL)18.07%
Lightness16.27%
Dominant channelBlue
Hex per channelR 22 · G 2F · B 31

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Every value on this page was computed from “222f31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.