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Recognised as Colour

#182E2A

  • #182E2A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#182E2A is a cyan with RGB values 24, 46, 42 and HSL 169°, 31%, 14%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#182E2A#182E2A
HEX#182E2A
RGBrgb(24, 46, 42)
RGB (0–1)0.0941, 0.1804, 0.1647
RGB percentages9.4%, 18%, 16.5%
HSLhsl(169.1, 31.4%, 13.7%)
HSV / HSBhsv(169.1, 47.8%, 18%)
CMYK47.8%, 0%, 8.7%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,584,682
CSS custom property--colour: #182E2A;

Brightness & contrast

Relative luminance0.02315WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.35:1
Contrast with white14.35:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#E7D1D5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C2C2Ano red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#28292Ano green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#102F2Dno blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.35:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.7Black · ΔE 19.7Dim grey · ΔE 29.1Teal · ΔE 37.4Gray · ΔE 37.9Slate grey · ΔE 38.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.74, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E181C
Analogous#182E1F, #18272E
Triadic#2A182E, #2E2A18
Split complementary#2E1827, #2E1F18
Tetradic#1F182E, #2E181C, #272E18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#64AEA1
Lighter +30%#4C9386
Lighter +20%#3B7167
Lighter +10%#295049
Darker −10%#070C0B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F3730
Less saturated −25%#212524

Channel breakdown

R24
G46
B42
Red24 (9.4%)
Green46 (18%)
Blue42 (16.5%)
Hue169.09°
Saturation (HSL)31.43%
Lightness13.73%
Dominant channelGreen
Hex per channelR 18 · G 2E · B 2A

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Every value on this page was computed from “182e2a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.