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Colour

#55B0EA

  • #55B0EA
  • Blue
  • Dark
  • Nearest: Deep skyblue

#55B0EA is a blue with RGB values 85, 176, 234 and HSL 203°, 78%, 63%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#55B0EA#55B0EA
HEX#55B0EA
RGBrgb(85, 176, 234)
RGB (0–1)0.3333, 0.6902, 0.9176
RGB percentages33.3%, 69%, 91.8%
HSLhsl(203.4, 78%, 62.5%)
HSV / HSBhsv(203.4, 63.7%, 91.8%)
CMYK63.7%, 24.8%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,615,850
CSS custom property--colour: #55B0EA;

Brightness & contrast

Relative luminance0.38922WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.78:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.78:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#AA4F15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#95B0EDno red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#81A1E9no green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#00BFC4no blue cones; rare, and affects men and women equally; ΔE 36 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.78:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.4Light skyblue · ΔE 14Steel blue · ΔE 17.9Sky blue · ΔE 19.7Cornflower blue · ΔE 23.6Light steelblue · ΔE 25.4
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EA8F55
Analogous#55EAD9, #5566EA
Triadic#EA55B0, #B0EA55
Split complementary#EA5566, #EAD955
Tetradic#D955EA, #EA8F55, #66EA55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDEFFB
Lighter +20%#B0DAF5
Lighter +10%#82C5F0
Darker −10%#289BE4
Darker −20%#187FC1
Darker −30%#126194
Darker −40%#0D4366
More saturated +25%#40B5FF
Less saturated −25%#6DABD2

Channel breakdown

R85
G176
B234
Red85 (33.3%)
Green176 (69%)
Blue234 (91.8%)
Hue203.36°
Saturation (HSL)78.01%
Lightness62.55%
Dominant channelBlue
Hex per channelR 55 · G B0 · B EA

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Every value on this page was computed from “55b0ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.