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Recognised as Colour

#40CBFD

  • #40CBFD
  • Cyan
  • Light
  • Nearest: Deep skyblue

#40CBFD is a cyan with RGB values 64, 203, 253 and HSL 196°, 98%, 62%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#40CBFD#40CBFD
HEX#40CBFD
RGBrgb(64, 203, 253)
RGB (0–1)0.251, 0.7961, 0.9922
RGB percentages25.1%, 79.6%, 99.2%
HSLhsl(195.9, 97.9%, 62.2%)
HSV / HSBhsv(195.9, 74.7%, 99.2%)
CMYK74.7%, 19.8%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,246,525
CSS custom property--colour: #40CBFD;

Brightness & contrast

Relative luminance0.50894WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.18:1
Contrast with white1.88:1WCAG normal text: Fail
Contrast with black11.18:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#BF3402

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B0C7FFno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#97B5FCno green cones; the most common form, about 1% of men; ΔE 28.3 from the original
Tritanopia#00D9DBno blue cones; rare, and affects men and women equally; ΔE 30.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.88:1WCAG large text: Fail
Contrast with black, large text11.18:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9Light skyblue · ΔE 12.4Sky blue · ΔE 15.3Light blue · ΔE 26.6Light steelblue · ΔE 27.9Dark turquoise · ΔE 28.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.05, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD7240
Analogous#40FDD1, #406CFD
Triadic#FD40CB, #CBFD40
Split complementary#FD406C, #FDD140
Tetradic#D140FD, #FD7240, #6CFD40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7F4FF
Lighter +20%#A5E6FE
Lighter +10%#72D9FE
Darker −10%#0EBDFC
Darker −20%#029DD5
Darker −30%#0278A2
Darker −40%#015370
More saturated +25%#3ECCFF
Less saturated −25%#58C0E5

Channel breakdown

R64
G203
B253
Red64 (25.1%)
Green203 (79.6%)
Blue253 (99.2%)
Hue195.87°
Saturation (HSL)97.93%
Lightness62.16%
Dominant channelBlue
Hex per channelR 40 · G CB · B FD

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