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Recognised as Colour

#40CDFA

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

#40CDFA is a cyan with RGB values 64, 205, 250 and HSL 195°, 95%, 62%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#40CDFA#40CDFA
HEX#40CDFA
RGBrgb(64, 205, 250)
RGB (0–1)0.251, 0.8039, 0.9804
RGB percentages25.1%, 80.4%, 98%
HSLhsl(194.5, 94.9%, 61.6%)
HSV / HSBhsv(194.5, 74.4%, 98%)
CMYK74.4%, 18%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,247,034
CSS custom property--colour: #40CDFA;

Brightness & contrast

Relative luminance0.51655WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.33:1
Contrast with white1.85:1WCAG normal text: Fail
Contrast with black11.33:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#BF3205

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4C8FCno red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#9BB6FAno green cones; the most common form, about 1% of men; ΔE 30.3 from the original
Tritanopia#00DBDCno blue cones; rare, and affects men and women equally; ΔE 28 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.85:1WCAG large text: Fail
Contrast with black, large text11.33:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.9Light skyblue · ΔE 13Sky blue · ΔE 14.1Light blue · ΔE 25.3Dark turquoise · ΔE 25.9Powder blue · ΔE 27.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.92, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA6D40
Analogous#40FACA, #4070FA
Triadic#FA40CD, #CDFA40
Split complementary#FA4070, #FACA40
Tetradic#CA40FA, #FA6D40, #70FA40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D5F4FE
Lighter +20%#A3E7FD
Lighter +10%#72DAFB
Darker −10%#0EC0F9
Darker −20%#059ECF
Darker −30%#04789D
Darker −40%#03526B
More saturated +25%#3BD0FF
Less saturated −25%#59C0E2

Channel breakdown

R64
G205
B250
Red64 (25.1%)
Green205 (80.4%)
Blue250 (98%)
Hue194.52°
Saturation (HSL)94.9%
Lightness61.57%
Dominant channelBlue
Hex per channelR 40 · G CD · B FA

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