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Recognised as Colour

#201D31

  • #201D31
  • Blue
  • Dark
  • Nearest: Black

#201D31 is a blue with RGB values 32, 29, 49 and HSL 249°, 26%, 15%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#201D31#201D31
HEX#201D31
RGBrgb(32, 29, 49)
RGB (0–1)0.1255, 0.1137, 0.1922
RGB percentages12.5%, 11.4%, 19.2%
HSLhsl(249, 25.6%, 15.3%)
HSV / HSBhsv(249, 40.8%, 19.2%)
CMYK34.7%, 40.8%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,104,625
CSS custom property--colour: #201D31;

Brightness & contrast

Relative luminance0.01408WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.39:1
Contrast with white16.39:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#DFE2CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#172032no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#181F30no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#1C2124no blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.39:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 18.9Dark slate grey · ΔE 28.4Dim grey · ΔE 35.5Dark slateblue · ΔE 39.7Slate grey · ΔE 41.9Gray · ΔE 44.1
Nearest named CSS colourBlack (#000000)ΔE 18.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E311D
Analogous#1D2431, #2A1D31
Triadic#31201D, #1D3120
Split complementary#312A1D, #24311D
Tetradic#311D24, #2E311D, #1D312A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7970AA
Lighter +30%#5F5691
Lighter +20%#4A4371
Lighter +10%#353051
Darker −10%#0B0A11
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#19133B
Less saturated −25%#272727

Channel breakdown

R32
G29
B49
Red32 (12.5%)
Green29 (11.4%)
Blue49 (19.2%)
Hue249°
Saturation (HSL)25.64%
Lightness15.29%
Dominant channelBlue
Hex per channelR 20 · G 1D · B 31

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Every value on this page was computed from “201d31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.