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Recognised as Colour

#212E5E

  • #212E5E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#212E5E is a blue with RGB values 33, 46, 94 and HSL 227°, 48%, 25%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#212E5E#212E5E
HEX#212E5E
RGBrgb(33, 46, 94)
RGB (0–1)0.1294, 0.1804, 0.3686
RGB percentages12.9%, 18%, 36.9%
HSLhsl(227.2, 48%, 24.9%)
HSV / HSBhsv(227.2, 64.9%, 36.9%)
CMYK64.9%, 51.1%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,174,558
CSS custom property--colour: #212E5E;

Brightness & contrast

Relative luminance0.03085WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.99:1
Contrast with white12.99:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#DED1A1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#163460no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#0C2F5Dno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#003941no blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.99:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.4Midnight blue · ΔE 28.3Steel blue · ΔE 35.7Dark slate grey · ΔE 37Rebecca purple · ΔE 37.7Black · ΔE 38.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E5121
Analogous#214D5E, #33215E
Triadic#5E212E, #2E5E21
Split complementary#5E3221, #4D5E21
Tetradic#5E214D, #5E5121, #215E32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7B8DD0
Lighter +30%#556CC3
Lighter +20%#3C53A9
Lighter +10%#2E4084
Darker −10%#141C38
Darker −20%#060913
Darker −30%#000000
Darker −40%#000000
More saturated +25%#11256E
Less saturated −25%#31374E

Channel breakdown

R33
G46
B94
Red33 (12.9%)
Green46 (18%)
Blue94 (36.9%)
Hue227.21°
Saturation (HSL)48.03%
Lightness24.9%
Dominant channelBlue
Hex per channelR 21 · G 2E · B 5E

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Every value on this page was computed from “212e5e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.