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Colour

#18363C

  • #18363C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#18363C is a cyan with RGB values 24, 54, 60 and HSL 190°, 43%, 16%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#18363C#18363C
HEX#18363C
RGBrgb(24, 54, 60)
RGB (0–1)0.0941, 0.2118, 0.2353
RGB percentages9.4%, 21.2%, 23.5%
HSLhsl(190, 42.9%, 16.5%)
HSV / HSBhsv(190, 60%, 23.5%)
CMYK60%, 10%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,586,748
CSS custom property--colour: #18363C;

Brightness & contrast

Relative luminance0.03159WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.87:1
Contrast with white12.87:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#E7C9C3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#31343Cno red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#2C303Cno green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#023938no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.87:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.4Black · ΔE 23.7Dim grey · ΔE 26.4Slate grey · ΔE 33.1Teal · ΔE 33.9Gray · ΔE 34.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.44, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C1E18
Analogous#183C30, #18243C
Triadic#3C1836, #363C18
Split complementary#3C1824, #3C3018
Tetradic#30183C, #3C1E18, #243C18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60B0C0
Lighter +30%#4498A9
Lighter +20%#357885
Lighter +10%#275760
Darker −10%#091518
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D3D46
Less saturated −25%#222F31

Channel breakdown

R24
G54
B60
Red24 (9.4%)
Green54 (21.2%)
Blue60 (23.5%)
Hue190°
Saturation (HSL)42.86%
Lightness16.47%
Dominant channelBlue
Hex per channelR 18 · G 36 · B 3C

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Every value on this page was computed from “18363c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.