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Recognised as Colour

#63AFC9

  • #63AFC9
  • Cyan
  • Dark
  • Nearest: Sky blue

#63AFC9 is a cyan with RGB values 99, 175, 201 and HSL 195°, 49%, 59%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#63AFC9#63AFC9
HEX#63AFC9
RGBrgb(99, 175, 201)
RGB (0–1)0.3882, 0.6863, 0.7882
RGB percentages38.8%, 68.6%, 78.8%
HSLhsl(195.3, 48.6%, 58.8%)
HSV / HSBhsv(195.3, 50.7%, 78.8%)
CMYK50.7%, 12.9%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,533,065
CSS custom property--colour: #63AFC9;

Brightness & contrast

Relative luminance0.3753WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.51:1
Contrast with white2.47:1WCAG normal text: Fail
Contrast with black8.51:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#9C5036

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A0ABCAno red cones; affects about 1% of men; ΔE 19.7 from the original
Deuteranopia#91A0C9no green cones; the most common form, about 1% of men; ΔE 20.6 from the original
Tritanopia#26B7B7no blue cones; rare, and affects men and women equally; ΔE 21.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.47:1WCAG large text: Fail
Contrast with black, large text8.51:1WCAG large text: AAA

Named colours

Sky blue · ΔE 11.7Cadetblue · ΔE 15Light skyblue · ΔE 15.5Light blue · ΔE 19.3Light steelblue · ΔE 19.3Light slate grey · ΔE 20.7
Nearest named CSS colourSky blue (#87CEEB)ΔE 11.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C97D63
Analogous#63C9B0, #637CC9
Triadic#C963AF, #AFC963
Split complementary#C9637C, #C9B063
Tetradic#B063C9, #C97D63, #7CC963

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFDFD
Lighter +30%#D5E9F0
Lighter +20%#AFD6E3
Lighter +10%#89C2D6
Darker −10%#409AB9
Darker −20%#337B93
Darker −30%#265B6D
Darker −40%#193B47
More saturated +25%#49BCE3
Less saturated −25%#7DA2AF

Channel breakdown

R99
G175
B201
Red99 (38.8%)
Green175 (68.6%)
Blue201 (78.8%)
Hue195.29°
Saturation (HSL)48.57%
Lightness58.82%
Dominant channelBlue
Hex per channelR 63 · G AF · B C9

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Every value on this page was computed from “63afc9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.