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Colour

#223E6B

  • #223E6B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#223E6B is a blue with RGB values 34, 62, 107 and HSL 217°, 52%, 28%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#223E6B#223E6B
HEX#223E6B
RGBrgb(34, 62, 107)
RGB (0–1)0.1333, 0.2431, 0.4196
RGB percentages13.3%, 24.3%, 42%
HSLhsl(217, 51.8%, 27.6%)
HSV / HSBhsv(217, 68.2%, 42%)
CMYK68.2%, 42.1%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,244,203
CSS custom property--colour: #223E6B;

Brightness & contrast

Relative luminance0.04847WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.66:1
Contrast with white10.66:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#DDC194

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A426Dno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#1F3B6Ano green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#00484Fno blue cones; rare, and affects men and women equally; ΔE 29.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.66:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.6Steel blue · ΔE 28Dark slate grey · ΔE 31.3Slate grey · ΔE 33.4Midnight blue · ΔE 34.7Dim grey · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B4F22
Analogous#22636B, #2A226B
Triadic#6B223E, #3E6B22
Split complementary#6B2A22, #636B22
Tetradic#6B2263, #6B4F22, #226B2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82A3D7
Lighter +30%#5B86CB
Lighter +20%#3B6BB8
Lighter +10%#2E5492
Darker −10%#162844
Darker −20%#09111E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#103A7D
Less saturated −25%#344259

Channel breakdown

R34
G62
B107
Red34 (13.3%)
Green62 (24.3%)
Blue107 (42%)
Hue216.99°
Saturation (HSL)51.77%
Lightness27.65%
Dominant channelBlue
Hex per channelR 22 · G 3E · B 6B

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Every value on this page was computed from “223e6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.