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Recognised as Colour

#57CEF2

  • #57CEF2
  • Cyan
  • Light
  • Nearest: Sky blue

#57CEF2 is a cyan with RGB values 87, 206, 242 and HSL 194°, 86%, 65%. It is a light colour, so black text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#57CEF2#57CEF2
HEX#57CEF2
RGBrgb(87, 206, 242)
RGB (0–1)0.3412, 0.8078, 0.949
RGB percentages34.1%, 80.8%, 94.9%
HSLhsl(193.9, 85.6%, 64.5%)
HSV / HSBhsv(193.9, 64%, 94.9%)
CMYK64%, 14.9%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,754,610
CSS custom property--colour: #57CEF2;

Brightness & contrast

Relative luminance0.5258WCAG 2.x, 0 is black and 1 is white
Perceived brightness184 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.52:1
Contrast with white1.82:1WCAG normal text: Fail
Contrast with black11.52:1WCAG normal text: AAA
Greyscale equivalent#B7B7B7
Inverted#A8310D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9C9F4no red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#A3B9F2no green cones; the most common form, about 1% of men; ΔE 28.5 from the original
Tritanopia#00DAD9no blue cones; rare, and affects men and women equally; ΔE 25.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.82:1WCAG large text: Fail
Contrast with black, large text11.52:1WCAG large text: AAA

Named colours

Sky blue · ΔE 10.2Light skyblue · ΔE 12Deep skyblue · ΔE 16.5Light blue · ΔE 20.9Dark turquoise · ΔE 22.5Powder blue · ΔE 23
Nearest named CSS colourSky blue (#87CEEB)ΔE 10.17, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F27B57
Analogous#57F2C9, #5780F2
Triadic#F257CE, #CEF257
Split complementary#F25780, #F2C957
Tetradic#C957F2, #F27B57, #81F257

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E5F7FD
Lighter +20%#B6EAF9
Lighter +10%#86DCF6
Darker −10%#28C0EE
Darker −20%#10A6D3
Darker −30%#0D80A3
Darker −40%#095B74
More saturated +25%#4AD5FF
Less saturated −25%#6EC2DB

Channel breakdown

R87
G206
B242
Red87 (34.1%)
Green206 (80.8%)
Blue242 (94.9%)
Hue193.94°
Saturation (HSL)85.64%
Lightness64.51%
Dominant channelBlue
Hex per channelR 57 · G CE · B F2

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Every value on this page was computed from “57cef2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.