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Colour

#228DB6

  • #228DB6
  • Cyan
  • Dark
  • Nearest: Steel blue

#228DB6 is a cyan with RGB values 34, 141, 182 and HSL 197°, 69%, 42%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#228DB6#228DB6
HEX#228DB6
RGBrgb(34, 141, 182)
RGB (0–1)0.1333, 0.5529, 0.7137
RGB percentages13.3%, 55.3%, 71.4%
HSLhsl(196.6, 68.5%, 42.4%)
HSV / HSBhsv(196.6, 81.3%, 71.4%)
CMYK81.3%, 22.5%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,264,502
CSS custom property--colour: #228DB6;

Brightness & contrast

Relative luminance0.22767WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.55:1
Contrast with white3.78:1WCAG normal text: Fail
Contrast with black5.55:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#DD7249

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#788BB8no red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#647DB5no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#00989Bno blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.78:1WCAG large text: AA
Contrast with black, large text5.55:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.3Deep skyblue · ΔE 22Light slate grey · ΔE 22.5Slate grey · ΔE 23.1Cadetblue · ΔE 23.7Light skyblue · ΔE 25.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.33, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B64B22
Analogous#22B695, #2243B6
Triadic#B6228D, #8DB622
Split complementary#B62243, #B69522
Tetradic#9522B6, #B64B22, #43B622

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3E0F1
Lighter +30%#88CEE9
Lighter +20%#5DBCE1
Lighter +10%#32ABD9
Darker −10%#1A6C8B
Darker −20%#124A60
Darker −30%#0A2935
Darker −40%#02080A
More saturated +25%#0799D1
Less saturated −25%#3D819B

Channel breakdown

R34
G141
B182
Red34 (13.3%)
Green141 (55.3%)
Blue182 (71.4%)
Hue196.62°
Saturation (HSL)68.52%
Lightness42.35%
Dominant channelBlue
Hex per channelR 22 · G 8D · B B6

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Every value on this page was computed from “228db6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.