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Recognised as Colour

#2E403B

  • #2E403B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#2E403B is a cyan with RGB values 46, 64, 59 and HSL 163°, 16%, 22%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2E403B#2E403B
HEX#2E403B
RGBrgb(46, 64, 59)
RGB (0–1)0.1804, 0.251, 0.2314
RGB percentages18%, 25.1%, 23.1%
HSLhsl(163.3, 16.4%, 21.6%)
HSV / HSBhsv(163.3, 28.1%, 25.1%)
CMYK28.1%, 0%, 7.8%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,031,099
CSS custom property--colour: #2E403B;

Brightness & contrast

Relative luminance0.04563WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.98:1
Contrast with white10.98:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D1BFC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F3E3Bno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#3B3B3Bno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#29403Eno 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 text10.98:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8Dim grey · ΔE 20.8Black · ΔE 26.8Gray · ΔE 29.4Slate grey · ΔE 30.3Teal · ΔE 31.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#402E33
Analogous#2E4032, #2E3C40
Triadic#3B2E40, #403B2E
Split complementary#402E3C, #40322E
Tetradic#322E40, #402E33, #3C402E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DADA4
Lighter +30%#6F988C
Lighter +20%#597B72
Lighter +10%#435E56
Darker −10%#192220
Darker −20%#030504
Darker −30%#000000
Darker −40%#000000
More saturated +25%#204E41
Less saturated −25%#373737

Channel breakdown

R46
G64
B59
Red46 (18%)
Green64 (25.1%)
Blue59 (23.1%)
Hue163.33°
Saturation (HSL)16.36%
Lightness21.57%
Dominant channelGreen
Hex per channelR 2E · G 40 · B 3B

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Every value on this page was computed from “2e403b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.