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Recognised as Colour

#40D7FE

  • #40D7FE
  • Cyan
  • Light
  • Nearest: Sky blue

#40D7FE is a cyan with RGB values 64, 215, 254 and HSL 192°, 99%, 62%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#40D7FE#40D7FE
HEX#40D7FE
RGBrgb(64, 215, 254)
RGB (0–1)0.251, 0.8431, 0.9961
RGB percentages25.1%, 84.3%, 99.6%
HSLhsl(192.3, 99%, 62.4%)
HSV / HSBhsv(192.3, 74.8%, 99.6%)
CMYK74.8%, 15.4%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,249,598
CSS custom property--colour: #40D7FE;

Brightness & contrast

Relative luminance0.56847WCAG 2.x, 0 is black and 1 is white
Perceived brightness189 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.37:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.37:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#BF2801

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFD1FFno red cones; affects about 1% of men; ΔE 31.1 from the original
Deuteranopia#A5BFFEno green cones; the most common form, about 1% of men; ΔE 32.7 from the original
Tritanopia#00E4E3no blue cones; rare, and affects men and women equally; ΔE 25.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.37:1WCAG large text: AAA

Named colours

Sky blue · ΔE 14.8Light skyblue · ΔE 15.8Deep skyblue · ΔE 16.9Dark turquoise · ΔE 22.1Medium turquoise · ΔE 24.7Light blue · ΔE 24.7
Nearest named CSS colourSky blue (#87CEEB)ΔE 14.77, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE6740
Analogous#40FEC6, #4078FE
Triadic#FE40D7, #D7FE40
Split complementary#FE4078, #FEC640
Tetradic#C640FE, #FE6740, #78FE40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8F7FF
Lighter +20%#A5ECFF
Lighter +10%#73E2FE
Darker −10%#0DCCFE
Darker −20%#01ABD7
Darker −30%#0183A4
Darker −40%#015A71
More saturated +25%#3FD8FF
Less saturated −25%#58C9E6

Channel breakdown

R64
G215
B254
Red64 (25.1%)
Green215 (84.3%)
Blue254 (99.6%)
Hue192.32°
Saturation (HSL)98.96%
Lightness62.35%
Dominant channelBlue
Hex per channelR 40 · G D7 · B FE

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Every value on this page was computed from “40d7fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.