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Recognised as Colour

#31BFCB

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

#31BFCB is a cyan with RGB values 49, 191, 203 and HSL 185°, 61%, 49%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#31BFCB#31BFCB
HEX#31BFCB
RGBrgb(49, 191, 203)
RGB (0–1)0.1922, 0.749, 0.7961
RGB percentages19.2%, 74.9%, 79.6%
HSLhsl(184.7, 61.1%, 49.4%)
HSV / HSBhsv(184.7, 75.9%, 79.6%)
CMYK75.9%, 5.9%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,260,363
CSS custom property--colour: #31BFCB;

Brightness & contrast

Relative luminance0.42226WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.45:1
Contrast with white2.22:1WCAG normal text: Fail
Contrast with black9.45:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#CE4034

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFB7CCno red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#9AA7CCno green cones; the most common form, about 1% of men; ΔE 36 from the original
Tritanopia#00C7C2no blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.22:1WCAG large text: Fail
Contrast with black, large text9.45:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 9.5Medium turquoise · ΔE 11.4Light seagreen · ΔE 12.7Cadetblue · ΔE 18.4Sky blue · ΔE 19.7Turquoise · ΔE 20.2
Nearest named CSS colourDark turquoise (#00CED1)ΔE 9.5, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB3D31
Analogous#31CB8A, #3172CB
Triadic#CB31BF, #BFCB31
Split complementary#CB3172, #CB8A31
Tetradic#8A31CB, #CB3D31, #72CB31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3F2F5
Lighter +30%#AAE6EB
Lighter +20%#81D9E1
Lighter +10%#58CDD7
Darker −10%#2798A2
Darker −20%#1D7279
Darker −30%#134B50
Darker −40%#092427
More saturated +25%#11DAEB
Less saturated −25%#51A4AC

Channel breakdown

R49
G191
B203
Red49 (19.2%)
Green191 (74.9%)
Blue203 (79.6%)
Hue184.68°
Saturation (HSL)61.11%
Lightness49.41%
Dominant channelBlue
Hex per channelR 31 · G BF · B CB

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