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Recognised as Colour

#182B22

  • #182B22
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#182B22 is a cyan with RGB values 24, 43, 34 and HSL 152°, 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

#182B22#182B22
HEX#182B22
RGBrgb(24, 43, 34)
RGB (0–1)0.0941, 0.1686, 0.1333
RGB percentages9.4%, 16.9%, 13.3%
HSLhsl(151.6, 28.4%, 13.1%)
HSV / HSBhsv(151.6, 44.2%, 16.9%)
CMYK44.2%, 0%, 20.9%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,583,906
CSS custom property--colour: #182B22;

Brightness & contrast

Relative luminance0.02037WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.92:1
Contrast with white14.92:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#E7D4DD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2822no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#272623no green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#142B28no blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.92:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Black · ΔE 19.1Dim grey · ΔE 30.7Dark olivegreen · ΔE 38.9Teal · ΔE 39.3Gray · ΔE 39.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.2, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B1821
Analogous#182B18, #182B2B
Triadic#22182B, #2B2218
Split complementary#2B182B, #2B1818
Tetradic#18182B, #2B1821, #2B2B18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#66A989
Lighter +30%#4F8D70
Lighter +20%#3D6C56
Lighter +10%#2A4C3C
Darker −10%#060A08
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#103322
Less saturated −25%#202322

Channel breakdown

R24
G43
B34
Red24 (9.4%)
Green43 (16.9%)
Blue34 (13.3%)
Hue151.58°
Saturation (HSL)28.36%
Lightness13.14%
Dominant channelGreen
Hex per channelR 18 · G 2B · B 22

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Every value on this page was computed from “182b22” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.