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Recognised as Colour

#182B24

  • #182B24
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#182B24 is a cyan with RGB values 24, 43, 36 and HSL 158°, 28%, 13%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#182B24#182B24
HEX#182B24
RGBrgb(24, 43, 36)
RGB (0–1)0.0941, 0.1686, 0.1412
RGB percentages9.4%, 16.9%, 14.1%
HSLhsl(157.9, 28.4%, 13.1%)
HSV / HSBhsv(157.9, 44.2%, 16.9%)
CMYK44.2%, 0%, 16.3%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,583,908
CSS custom property--colour: #182B24;

Brightness & contrast

Relative luminance0.02049WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.9:1
Contrast with white14.9:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#E7D4DB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2924no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#272624no green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#132B29no blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.9:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.7Black · ΔE 18.7Dim grey · ΔE 30.4Gray · ΔE 39.1Teal · ΔE 39.1Dark olivegreen · ΔE 39.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.69, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B181F
Analogous#182B1A, #18292B
Triadic#24182B, #2B2418
Split complementary#2B1829, #2B1A18
Tetradic#1A182B, #2B181F, #292B18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#66A990
Lighter +30%#4F8D76
Lighter +20%#3D6C5B
Lighter +10%#2A4C3F
Darker −10%#060A09
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#103326
Less saturated −25%#202322

Channel breakdown

R24
G43
B36
Red24 (9.4%)
Green43 (16.9%)
Blue36 (14.1%)
Hue157.89°
Saturation (HSL)28.36%
Lightness13.14%
Dominant channelGreen
Hex per channelR 18 · G 2B · B 24

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Every value on this page was computed from “182b24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.