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Recognised as Colour

#31C8ED

  • #31C8ED
  • Cyan
  • Dark
  • Nearest: Sky blue

#31C8ED is a cyan with RGB values 49, 200, 237 and HSL 192°, 84%, 56%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#31C8ED#31C8ED
HEX#31C8ED
RGBrgb(49, 200, 237)
RGB (0–1)0.1922, 0.7843, 0.9294
RGB percentages19.2%, 78.4%, 92.9%
HSLhsl(191.8, 83.9%, 56.1%)
HSV / HSBhsv(191.8, 79.3%, 92.9%)
CMYK79.3%, 15.6%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,262,701
CSS custom property--colour: #31C8ED;

Brightness & contrast

Relative luminance0.48076WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.62:1
Contrast with white1.98:1WCAG normal text: Fail
Contrast with black10.62:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#CE3712

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1C2EFno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#98B1EDno green cones; the most common form, about 1% of men; ΔE 31.9 from the original
Tritanopia#00D4D4no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.98:1WCAG large text: Fail
Contrast with black, large text10.62:1WCAG large text: AAA

Named colours

Sky blue · ΔE 14.3Deep skyblue · ΔE 15.9Light skyblue · ΔE 15.9Dark turquoise · ΔE 21.1Medium turquoise · ΔE 23.9Light blue · ΔE 24.9
Nearest named CSS colourSky blue (#87CEEB)ΔE 14.32, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ED5631
Analogous#31EDB4, #316AED
Triadic#ED31C8, #C8ED31
Split complementary#ED316A, #EDB431
Tetradic#B431ED, #ED5631, #6AED31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDFAFD
Lighter +30%#BEEEF9
Lighter +20%#8FE1F5
Lighter +10%#60D5F1
Darker −10%#13B1D8
Darker −20%#0F8BA9
Darker −30%#0B647A
Darker −40%#073E4B
More saturated +25%#1FD3FF
Less saturated −25%#4DB7D1

Channel breakdown

R49
G200
B237
Red49 (19.2%)
Green200 (78.4%)
Blue237 (92.9%)
Hue191.81°
Saturation (HSL)83.93%
Lightness56.08%
Dominant channelBlue
Hex per channelR 31 · G C8 · B ED

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Every value on this page was computed from “31c8ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.