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Recognised as Colour

#182B2E

  • #182B2E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#182B2E is a cyan with RGB values 24, 43, 46 and HSL 188°, 31%, 14%. 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

#182B2E#182B2E
HEX#182B2E
RGBrgb(24, 43, 46)
RGB (0–1)0.0941, 0.1686, 0.1804
RGB percentages9.4%, 16.9%, 18%
HSLhsl(188.2, 31.4%, 13.7%)
HSV / HSBhsv(188.2, 47.8%, 18%)
CMYK47.8%, 6.5%, 0%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,583,918
CSS custom property--colour: #182B2E;

Brightness & contrast

Relative luminance0.02119WCAG 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 14.75:1
Contrast with white14.75:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#E7D4D1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#282A2Eno red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#24272Eno green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#0F2D2Cno blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.75:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16Black · ΔE 18Dim grey · ΔE 29.4Slate grey · ΔE 37.5Gray · ΔE 38.3Teal · ΔE 39.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.96, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E1B18
Analogous#182E26, #18202E
Triadic#2E182B, #2B2E18
Split complementary#2E1820, #2E2618
Tetradic#26182E, #2E1B18, #202E18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64A4AE
Lighter +30%#4C8993
Lighter +20%#3B6A71
Lighter +10%#294A50
Darker −10%#070C0C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F3137
Less saturated −25%#212525

Channel breakdown

R24
G43
B46
Red24 (9.4%)
Green43 (16.9%)
Blue46 (18%)
Hue188.18°
Saturation (HSL)31.43%
Lightness13.73%
Dominant channelBlue
Hex per channelR 18 · G 2B · B 2E

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Every value on this page was computed from “182b2e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.