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Recognised as Colour

#212B32

  • #212B32
  • Blue
  • Dark
  • Nearest: Dark slate grey

#212B32 is a blue with RGB values 33, 43, 50 and HSL 205°, 20%, 16%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#212B32#212B32
HEX#212B32
RGBrgb(33, 43, 50)
RGB (0–1)0.1294, 0.1686, 0.1961
RGB percentages12.9%, 16.9%, 19.6%
HSLhsl(204.7, 20.5%, 16.3%)
HSV / HSBhsv(204.7, 34%, 19.6%)
CMYK34%, 14%, 0%, 80.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,173,746
CSS custom property--colour: #212B32;

Brightness & contrast

Relative luminance0.02281WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.42:1
Contrast with white14.42:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#DED4CD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#282B32no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#262932no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#1C2D2Dno blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.42:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.3Black · ΔE 18.1Dim grey · ΔE 28.2Slate grey · ΔE 36.2Gray · ΔE 37.2Light slate grey · ΔE 39.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#322821
Analogous#213231, #212232
Triadic#32212B, #2B3221
Split complementary#322122, #323021
Tetradic#312132, #322821, #233221

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7994A6
Lighter +30%#5E7A8E
Lighter +20%#4A606F
Lighter +10%#354551
Darker −10%#0D1113
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#172D3C
Less saturated −25%#292929

Channel breakdown

R33
G43
B50
Red33 (12.9%)
Green43 (16.9%)
Blue50 (19.6%)
Hue204.71°
Saturation (HSL)20.48%
Lightness16.27%
Dominant channelBlue
Hex per channelR 21 · G 2B · B 32

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Every value on this page was computed from “212b32” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.