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Recognised as Colour

#31CBD1

  • #31CBD1
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#31CBD1 is a cyan with RGB values 49, 203, 209 and HSL 182°, 63%, 51%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#31CBD1#31CBD1
HEX#31CBD1
RGBrgb(49, 203, 209)
RGB (0–1)0.1922, 0.7961, 0.8196
RGB percentages19.2%, 79.6%, 82%
HSLhsl(182.3, 63.5%, 50.6%)
HSV / HSBhsv(182.3, 76.6%, 82%)
CMYK76.6%, 2.9%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,263,441
CSS custom property--colour: #31CBD1;

Brightness & contrast

Relative luminance0.47968WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.59:1
Contrast with white1.98:1WCAG normal text: Fail
Contrast with black10.59:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#CE342E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCC1D2no red cones; affects about 1% of men; ΔE 38.1 from the original
Deuteranopia#A6B1D2no green cones; the most common form, about 1% of men; ΔE 39.5 from the original
Tritanopia#00D2CCno blue cones; rare, and affects men and women equally; ΔE 9 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 text10.59:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 4.1Medium turquoise · ΔE 6.4Light seagreen · ΔE 12.1Turquoise · ΔE 14.5Aqua · ΔE 20.3Cyan · ΔE 20.3
Nearest named CSS colourDark turquoise (#00CED1)ΔE 4.12, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D13731
Analogous#31D187, #317BD1
Triadic#D131CB, #CBD131
Split complementary#D1317B, #D18731
Tetradic#8731D1, #D13731, #7BD131

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8F5F6
Lighter +30%#AEEBED
Lighter +20%#84E0E4
Lighter +10%#5BD6DA
Darker −10%#26A4A9
Darker −20%#1C7C80
Darker −30%#135356
Darker −40%#0A2B2C
More saturated +25%#11E8F1
Less saturated −25%#51AEB2

Channel breakdown

R49
G203
B209
Red49 (19.2%)
Green203 (79.6%)
Blue209 (82%)
Hue182.25°
Saturation (HSL)63.49%
Lightness50.59%
Dominant channelBlue
Hex per channelR 31 · G CB · B D1

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Every value on this page was computed from “31cbd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.