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Recognised as Colour

#373C35

  • #373C35
  • Grey
  • Dark
  • Nearest: Dark slate grey

#373C35 is a grey with RGB values 55, 60, 53 and HSL 103°, 6%, 22%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#373C35#373C35
HEX#373C35
RGBrgb(55, 60, 53)
RGB (0–1)0.2157, 0.2353, 0.2078
RGB percentages21.6%, 23.5%, 20.8%
HSLhsl(102.9, 6.2%, 22.2%)
HSV / HSBhsv(102.9, 11.7%, 23.5%)
CMYK8.3%, 0%, 11.7%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,619,893
CSS custom property--colour: #373C35;

Brightness & contrast

Relative luminance0.04301WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.29:1
Contrast with white11.29:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#C8C3CA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3B35no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#3C3A35no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#373B3Ano blue cones; rare, and affects men and women equally; ΔE 4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.29:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.7Dim grey · ΔE 20.4Black · ΔE 25.2Gray · ΔE 29.4Slate grey · ΔE 31.6Light slate grey · ΔE 34.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.72, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A353C
Analogous#3B3C35, #353C36
Triadic#35373C, #3C3537
Split complementary#37353C, #3C353A
Tetradic#353A3C, #3A353C, #3C3635

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CA499
Lighter +30%#828D7D
Lighter +20%#697265
Lighter +10%#50574D
Darker −10%#1E211D
Darker −20%#050605
Darker −30%#000000
Darker −40%#000000
More saturated +25%#314A27
Less saturated −25%#393939

Channel breakdown

R55
G60
B53
Red55 (21.6%)
Green60 (23.5%)
Blue53 (20.8%)
Hue102.86°
Saturation (HSL)6.19%
Lightness22.16%
Dominant channelGreen
Hex per channelR 37 · G 3C · B 35

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Every value on this page was computed from “373c35” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.