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Recognised as Colour

#15E3FC

  • #15E3FC
  • Cyan
  • Light
  • Nearest: Dark turquoise

#15E3FC is a cyan with RGB values 21, 227, 252 and HSL 186°, 97%, 54%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#15E3FC#15E3FC
HEX#15E3FC
RGBrgb(21, 227, 252)
RGB (0–1)0.0824, 0.8902, 0.9882
RGB percentages8.2%, 89%, 98.8%
HSLhsl(186.5, 97.5%, 53.5%)
HSV / HSBhsv(186.5, 91.7%, 98.8%)
CMYK91.7%, 9.9%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,434,620
CSS custom property--colour: #15E3FC;

Brightness & contrast

Relative luminance0.62126WCAG 2.x, 0 is black and 1 is white
Perceived brightness194 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.43:1
Contrast with white1.56:1WCAG normal text: Fail
Contrast with black13.43:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#EA1C03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CDDAFEno red cones; affects about 1% of men; ΔE 39.6 from the original
Deuteranopia#B1C6FCno green cones; the most common form, about 1% of men; ΔE 41.2 from the original
Tritanopia#00EEEBno blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.56:1WCAG large text: Fail
Contrast with black, large text13.43:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 14.3Medium turquoise · ΔE 17.6Aqua · ΔE 18.1Cyan · ΔE 18.1Sky blue · ΔE 21.7Turquoise · ΔE 22.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 14.29, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC2E15
Analogous#15FCA2, #156FFC
Triadic#FC15E3, #E3FC15
Split complementary#FC156F, #FCA215
Tetradic#A215FC, #FC2E15, #6FFC15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEFBFF
Lighter +30%#ACF5FE
Lighter +20%#7AEFFD
Lighter +10%#47E9FD
Darker −10%#03C4DB
Darker −20%#0297A9
Darker −30%#026A76
Darker −40%#013D44
More saturated +25%#12E5FF
Less saturated −25%#33CCDE

Channel breakdown

R21
G227
B252
Red21 (8.2%)
Green227 (89%)
Blue252 (98.8%)
Hue186.49°
Saturation (HSL)97.47%
Lightness53.53%
Dominant channelBlue
Hex per channelR 15 · G E3 · B FC

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Every value on this page was computed from “15e3fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.