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Recognised as Colour

#31ADCE

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

#31ADCE is a cyan with RGB values 49, 173, 206 and HSL 193°, 62%, 50%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#31ADCE#31ADCE
HEX#31ADCE
RGBrgb(49, 173, 206)
RGB (0–1)0.1922, 0.6784, 0.8078
RGB percentages19.2%, 67.8%, 80.8%
HSLhsl(192.6, 61.6%, 50%)
HSV / HSBhsv(192.6, 76.2%, 80.8%)
CMYK76.2%, 16%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,255,758
CSS custom property--colour: #31ADCE;

Brightness & contrast

Relative luminance0.34996WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black8:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#CE5231

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#99A8D0no red cones; affects about 1% of men; ΔE 26.5 from the original
Deuteranopia#8499CEno green cones; the most common form, about 1% of men; ΔE 28 from the original
Tritanopia#00B8B8no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.63:1WCAG large text: Fail
Contrast with black, large text8:1WCAG large text: AAA

Named colours

Sky blue · ΔE 16.2Deep skyblue · ΔE 18.2Light skyblue · ΔE 18.2Cadetblue · ΔE 19.6Steel blue · ΔE 23.3Dark cyan · ΔE 23.5
Nearest named CSS colourSky blue (#87CEEB)ΔE 16.18, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE5231
Analogous#31CEA0, #315FCE
Triadic#CE31AD, #ADCE31
Split complementary#CE315E, #CEA131
Tetradic#A131CE, #CE5231, #5FCE31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6EFF5
Lighter +30%#ADDEEB
Lighter +20%#83CEE2
Lighter +10%#5ABDD8
Darker −10%#278AA5
Darker −20%#1D687C
Darker −30%#144552
Darker −40%#0A2329
More saturated +25%#11BFEE
Less saturated −25%#519BAE

Channel breakdown

R49
G173
B206
Red49 (19.2%)
Green173 (67.8%)
Blue206 (80.8%)
Hue192.61°
Saturation (HSL)61.57%
Lightness50%
Dominant channelBlue
Hex per channelR 31 · G AD · B CE

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