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Recognised as Colour

#224C55

  • #224C55
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#224C55 is a cyan with RGB values 34, 76, 85 and HSL 191°, 43%, 23%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#224C55#224C55
HEX#224C55
RGBrgb(34, 76, 85)
RGB (0–1)0.1333, 0.298, 0.3333
RGB percentages13.3%, 29.8%, 33.3%
HSLhsl(190.6, 42.9%, 23.3%)
HSV / HSBhsv(190.6, 60%, 33.3%)
CMYK60%, 10.6%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,247,765
CSS custom property--colour: #224C55;

Brightness & contrast

Relative luminance0.06165WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.4:1
Contrast with white9.4:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DDB3AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#454A56no red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#3D4455no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#00504Fno blue cones; rare, and affects men and women equally; ΔE 10.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.4:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.2Dim grey · ΔE 21.1Slate grey · ΔE 24.9Teal · ΔE 25.2Light slate grey · ΔE 27.8Gray · ΔE 28.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.22, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#552B22
Analogous#225544, #223355
Triadic#55224C, #4C5522
Split complementary#552233, #554422
Tetradic#442255, #552B22, #335522

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79BBCA
Lighter +30%#55A9BB
Lighter +20%#3F8D9E
Lighter +10%#316D79
Darker −10%#132B31
Darker −20%#050B0C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#135664
Less saturated −25%#314246

Channel breakdown

R34
G76
B85
Red34 (13.3%)
Green76 (29.8%)
Blue85 (33.3%)
Hue190.59°
Saturation (HSL)42.86%
Lightness23.33%
Dominant channelBlue
Hex per channelR 22 · G 4C · B 55

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Every value on this page was computed from “224c55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.