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Recognised as Colour

#5BCBE4

  • #5BCBE4
  • Cyan
  • Light
  • Nearest: Sky blue

#5BCBE4 is a cyan with RGB values 91, 203, 228 and HSL 191°, 72%, 63%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#5BCBE4#5BCBE4
HEX#5BCBE4
RGBrgb(91, 203, 228)
RGB (0–1)0.3569, 0.7961, 0.8941
RGB percentages35.7%, 79.6%, 89.4%
HSLhsl(190.9, 71.7%, 62.5%)
HSV / HSBhsv(190.9, 60.1%, 89.4%)
CMYK60.1%, 11%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,015,972
CSS custom property--colour: #5BCBE4;

Brightness & contrast

Relative luminance0.50537WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.11:1
Contrast with white1.89:1WCAG normal text: Fail
Contrast with black11.11:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#A4341B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9C5E5no red cones; affects about 1% of men; ΔE 27.7 from the original
Deuteranopia#A5B6E4no green cones; the most common form, about 1% of men; ΔE 29.2 from the original
Tritanopia#00D5D3no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.89:1WCAG large text: Fail
Contrast with black, large text11.11:1WCAG large text: AAA

Named colours

Sky blue · ΔE 10.2Light skyblue · ΔE 15.6Dark turquoise · ΔE 17.6Medium turquoise · ΔE 18.7Light blue · ΔE 18.8Powder blue · ΔE 20
Nearest named CSS colourSky blue (#87CEEB)ΔE 10.18, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4745B
Analogous#5BE4B8, #5B87E4
Triadic#E45BCB, #CBE45B
Split complementary#E45B86, #E4B85B
Tetradic#B95BE4, #E4745B, #87E45B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DEF5FA
Lighter +20%#B3E7F2
Lighter +10%#87D9EB
Darker −10%#2FBDDD
Darker −20%#1F9EBA
Darker −30%#17798F
Darker −40%#105463
More saturated +25%#43DAFC
Less saturated −25%#73BCCC

Channel breakdown

R91
G203
B228
Red91 (35.7%)
Green203 (79.6%)
Blue228 (89.4%)
Hue190.95°
Saturation (HSL)71.73%
Lightness62.55%
Dominant channelBlue
Hex per channelR 5B · G CB · B E4

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Every value on this page was computed from “5bcbe4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.