Colour

#63A9C4

#63A9C4
Cyan
Dark
Nearest: Sky blue

#63A9C4 is a cyan with RGB values 99, 169, 196 and HSL 197°, 45%, 58%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#63A9C4#63A9C4

HEX#63A9C4

RGBrgb(99, 169, 196)

RGB (0–1)0.3882, 0.6627, 0.7686

RGB percentages38.8%, 66.3%, 76.9%

HSLhsl(196.7, 45.1%, 57.8%)

HSV / HSBhsv(196.7, 49.5%, 76.9%)

CMYK49.5%, 13.8%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,531,524

CSS custom property--colour: #63A9C4;

Brightness & contrast

Relative luminance0.35014WCAG 2.x, 0 is black and 1 is white

Perceived brightness155.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8:1

Contrast with white2.62:1WCAG normal text: Fail

Contrast with black8:1WCAG normal text: AAA

Greyscale equivalent#9C9C9C

Inverted#9C563B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9AA6C5no red cones; affects about 1% of men; ΔE 17.7 from the original

Deuteranopia#8C9BC4no green cones; the most common form, about 1% of men; ΔE 19 from the original

Tritanopia#2EB1B2no blue cones; rare, and affects men and women equally; ΔE 21.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.62:1WCAG large text: Fail

Contrast with black, large text8:1WCAG large text: AAA

Named colours

Sky blue · ΔE 13.5 Cadetblue · ΔE 14.9 Light skyblue · ΔE 16.5 Light slate grey · ΔE 18.5 Light steelblue · ΔE 19.2 Steel blue · ΔE 20.6

Nearest named CSS colourSky blue (#87CEEB)ΔE 13.47, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#C47E63

Analogous#63C4AF, #6378C4

Triadic#C463A9, #A9C463

Split complementary#C46379, #C4AF63

Tetradic#AF63C4, #C47E63, #79C463

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F7FBFC

Lighter +30%#D2E6EE

Lighter +20%#ADD2E0

Lighter +10%#88BDD2

Darker −10%#4392B1

Darker −20%#35748C

Darker −30%#275567

Darker −40%#193742

More saturated +25%#48B5DF

Less saturated −25%#7E9DA9

Channel breakdown

R99

G169

B196

Red99 (38.8%)

Green169 (66.3%)

Blue196 (76.9%)

Hue196.7°

Saturation (HSL)45.12%

Lightness57.84%

Dominant channelBlue

Hex per channelR 63 · G A9 · B C4

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#63A9C4

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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