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Colour

#224C88

  • #224C88
  • Blue
  • Dark
  • Nearest: Dark slateblue

#224C88 is a blue with RGB values 34, 76, 136 and HSL 215°, 60%, 33%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#224C88#224C88
HEX#224C88
RGBrgb(34, 76, 136)
RGB (0–1)0.1333, 0.298, 0.5333
RGB percentages13.3%, 29.8%, 53.3%
HSLhsl(215.3, 60%, 33.3%)
HSV / HSBhsv(215.3, 75%, 53.3%)
CMYK75%, 44.1%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,247,816
CSS custom property--colour: #224C88;

Brightness & contrast

Relative luminance0.07287WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.55:1
Contrast with white8.55:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#DDB377

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F518Ano red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#1D4887no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005A63no blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.55:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.2Steel blue · ΔE 23.7Cornflower blue · ΔE 31.7Midnight blue · ΔE 31.7Slate grey · ΔE 35.3Rebecca purple · ΔE 36.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#885E22
Analogous#227F88, #2B2288
Triadic#88224C, #4C8822
Split complementary#882B22, #7F8822
Tetradic#88227F, #885E22, #22882B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92B4E4
Lighter +30%#6998DA
Lighter +20%#417BCF
Lighter +10%#2C63B1
Darker −10%#18355F
Darker −20%#0E1E36
Darker −30%#03080E
Darker −40%#000000
More saturated +25%#0D489D
Less saturated −25%#375073

Channel breakdown

R34
G76
B136
Red34 (13.3%)
Green76 (29.8%)
Blue136 (53.3%)
Hue215.29°
Saturation (HSL)60%
Lightness33.33%
Dominant channelBlue
Hex per channelR 22 · G 4C · B 88

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Every value on this page was computed from “224c88” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.