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Recognised as Colour

#182C29

  • #182C29
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#182C29 is a cyan with RGB values 24, 44, 41 and HSL 171°, 29%, 13%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#182C29#182C29
HEX#182C29
RGBrgb(24, 44, 41)
RGB (0–1)0.0941, 0.1725, 0.1608
RGB percentages9.4%, 17.3%, 16.1%
HSLhsl(171, 29.4%, 13.3%)
HSV / HSBhsv(171, 45.5%, 17.3%)
CMYK45.5%, 0%, 6.8%, 82.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,584,169
CSS custom property--colour: #182C29;

Brightness & contrast

Relative luminance0.02156WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.67:1
Contrast with white14.67:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#E7D3D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2A29no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#272729no green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#112D2Bno blue cones; rare, and affects men and women equally; ΔE 2.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.67:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.5Black · ΔE 18.6Dim grey · ΔE 29.5Gray · ΔE 38.4Teal · ΔE 38.5Slate grey · ΔE 38.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2C181B
Analogous#182C1F, #18252C
Triadic#29182C, #2C2918
Split complementary#2C1825, #2C1F18
Tetradic#1F182C, #2C181B, #252C18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#65ABA1
Lighter +30%#4E8F85
Lighter +20%#3C6E67
Lighter +10%#2A4D48
Darker −10%#060B0A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#10352F
Less saturated −25%#212423

Channel breakdown

R24
G44
B41
Red24 (9.4%)
Green44 (17.3%)
Blue41 (16.1%)
Hue171°
Saturation (HSL)29.41%
Lightness13.33%
Dominant channelGreen
Hex per channelR 18 · G 2C · B 29

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Every value on this page was computed from “182c29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.