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Recognised as Colour

#63D1F7

  • #63D1F7
  • Cyan
  • Light
  • Nearest: Sky blue

#63D1F7 is a cyan with RGB values 99, 209, 247 and HSL 195°, 90%, 68%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#63D1F7#63D1F7
HEX#63D1F7
RGBrgb(99, 209, 247)
RGB (0–1)0.3882, 0.8196, 0.9686
RGB percentages38.8%, 82%, 96.9%
HSLhsl(195.4, 90.2%, 67.8%)
HSV / HSBhsv(195.4, 59.9%, 96.9%)
CMYK59.9%, 15.4%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,541,815
CSS custom property--colour: #63D1F7;

Brightness & contrast

Relative luminance0.54969WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.99:1
Contrast with white1.75:1WCAG normal text: Fail
Contrast with black11.99:1WCAG normal text: AAA
Greyscale equivalent#BCBCBC
Inverted#9C2E08

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBCDF9no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#A6BDF7no green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#00DDDDno blue cones; rare, and affects men and women equally; ΔE 27.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.75:1WCAG large text: Fail
Contrast with black, large text11.99:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9Light skyblue · ΔE 9.9Deep skyblue · ΔE 16.1Light blue · ΔE 19.9Powder blue · ΔE 22.3Light steelblue · ΔE 23.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 8.97, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F78963
Analogous#63F7D3, #6387F7
Triadic#F763D1, #D1F763
Split complementary#F76387, #F7D363
Tetradic#D363F7, #F78963, #87F763

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F5FCFE
Lighter +20%#C4EEFC
Lighter +10%#94DFF9
Darker −10%#32C3F5
Darker −20%#0CB0E8
Darker −30%#098BB8
Darker −40%#076687
More saturated +25%#5BD5FF
Less saturated −25%#78C7E3

Channel breakdown

R99
G209
B247
Red99 (38.8%)
Green209 (82%)
Blue247 (96.9%)
Hue195.41°
Saturation (HSL)90.24%
Lightness67.84%
Dominant channelBlue
Hex per channelR 63 · G D1 · B F7

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Every value on this page was computed from “63d1f7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.