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Recognised as Colour

#22393C

  • #22393C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#22393C is a cyan with RGB values 34, 57, 60 and HSL 187°, 28%, 18%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#22393C#22393C
HEX#22393C
RGBrgb(34, 57, 60)
RGB (0–1)0.1333, 0.2235, 0.2353
RGB percentages13.3%, 22.4%, 23.5%
HSLhsl(186.9, 27.7%, 18.4%)
HSV / HSBhsv(186.9, 43.3%, 23.5%)
CMYK43.3%, 5%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,242,876
CSS custom property--colour: #22393C;

Brightness & contrast

Relative luminance0.03593WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.22:1
Contrast with white12.22:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#DDC6C3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36373Cno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#31343Cno green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#183B3Ano blue cones; rare, and affects men and women equally; ΔE 5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.22:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.7Dim grey · ΔE 24Black · ΔE 24.2Slate grey · ΔE 31.7Gray · ΔE 32.7Teal · ΔE 33.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.75, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C2522
Analogous#223C32, #222C3C
Triadic#3C2239, #393C22
Split complementary#3C222C, #3C3222
Tetradic#32223C, #3C2522, #2C3C22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78ACB2
Lighter +30%#59969E
Lighter +20%#47777D
Lighter +10%#34585D
Darker −10%#101A1B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#164248
Less saturated −25%#2E3030

Channel breakdown

R34
G57
B60
Red34 (13.3%)
Green57 (22.4%)
Blue60 (23.5%)
Hue186.92°
Saturation (HSL)27.66%
Lightness18.43%
Dominant channelBlue
Hex per channelR 22 · G 39 · B 3C

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Every value on this page was computed from “22393c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.