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Colour

#2A2E37

  • #2A2E37
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2A2E37 is a blue with RGB values 42, 46, 55 and HSL 222°, 13%, 19%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A2E37#2A2E37
HEX#2A2E37
RGBrgb(42, 46, 55)
RGB (0–1)0.1647, 0.1804, 0.2157
RGB percentages16.5%, 18%, 21.6%
HSLhsl(221.5, 13.4%, 19%)
HSV / HSBhsv(221.5, 23.6%, 21.6%)
CMYK23.6%, 16.4%, 0%, 78.4%naive device-independent conversion; real print needs an ICC profile
24-bit integer2,764,343
CSS custom property--colour: #2A2E37;

Brightness & contrast

Relative luminance0.02722WCAG 2.x, 0 is black and 1 is white
Perceived brightness46 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.6:1
Contrast with white13.6:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D5D1C8

Colour vision & accessibility

Protanopia#2B2F37no red cones; affects about 1% of men; ΔE 0.8 from the original
Deuteranopia#2A2D37no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#273031no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.6:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#37332A
Analogous#2A3537, #2D2A37
Triadic#372A2E, #2E372A
Split complementary#372D2A, #35372A
Tetradic#372A35, #37332A, #2A372D

Tints, shades & saturation

Lighter +40%#8891A5
Lighter +30%#6C778E
Lighter +20%#565E71
Lighter +10%#404654
Darker −10%#14161A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E2943
Less saturated −25%#313131

Channel breakdown

R42
G46
B55
Red42 (16.5%)
Green46 (18%)
Blue55 (21.6%)
Hue221.54°
Saturation (HSL)13.4%
Lightness19.02%
Dominant channelBlue
Hex per channelR 2A · G 2E · B 37

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Every value on this page was computed from “2a2e37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.