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Colour

#37323A

  • #37323A
  • Grey
  • Dark
  • Nearest: Dark slate grey

#37323A is a grey with RGB values 55, 50, 58 and HSL 278°, 7%, 21%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37323A#37323A
HEX#37323A
RGBrgb(55, 50, 58)
RGB (0–1)0.2157, 0.1961, 0.2275
RGB percentages21.6%, 19.6%, 22.7%
HSLhsl(277.5, 7.4%, 21.2%)
HSV / HSBhsv(277.5, 13.8%, 22.7%)
CMYK5.2%, 13.8%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,617,338
CSS custom property--colour: #37323A;

Brightness & contrast

Relative luminance0.03399WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.5:1
Contrast with white12.5:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#C8CDC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#31333Ano red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#32343Ano green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#373335no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.5:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.5Black · ΔE 22.4Dim grey · ΔE 23.6Slate grey · ΔE 32.5Gray · ΔE 32.5Light slate grey · ΔE 35.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.52, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#353A32
Analogous#33323A, #3A3239
Triadic#3A3732, #323A37
Split complementary#393A32, #323A33
Tetradic#3A3332, #353A32, #32393A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9E95A3
Lighter +30%#85798C
Lighter +20%#6B6171
Lighter +10%#514A55
Darker −10%#1D1A1F
Darker −20%#030303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3A2548
Less saturated −25%#363636

Channel breakdown

R55
G50
B58
Red55 (21.6%)
Green50 (19.6%)
Blue58 (22.7%)
Hue277.5°
Saturation (HSL)7.41%
Lightness21.18%
Dominant channelBlue
Hex per channelR 37 · G 32 · B 3A

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Every value on this page was computed from “37323a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.