#63AFEF#63AFEF

#63AFEF is a light, vivid cyan. Relative luminance 0.395; OKLCH L 73.1% C 0.120 H 245.9°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#63AFEF
RGB	rgb(99, 175, 239)
HSL	hsl(207, 81%, 66%)
HSV	hsv(207, 59%, 94%)
CMYK	cmyk(58.6%, 26.8%, 0%, 6.3%)
CIE-LAB	lab(69.14, -5.06, -39.06)
CIE-LCH	lch(69.14, 39.39, 262.62°)
OKLab	oklab(73.13% -0.0492 -0.1098)
OKLCH	oklch(73.13% 0.12 245.9)
XYZ	xyz(36.0498, 39.5413, 87.3771)
Luminance	0.3955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFEF #EFA363

analogous

#63EFE9 #63AFEF #6369EF

triadic

#63AFEF #EF63AF #AFEF63

tetradic

#63AFEF #E963EF #EFA363 #69EF63

square

#63AFEF #E963EF #EFA363 #69EF63

split-complementary

#63AFEF #EF6369 #EFE963

monochromatic

#1473C4 #2B93E9 #63AFEF #9BCBF5 #D2E8FA

Accessibility & contrast

On white

2.36

#63AFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#63AFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFEF

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFEF	#FFFFFF	#000000	##000000
##63AFEF	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B1F2

Deuteranopia (green-blind)

#81A3EE

Tritanopia (blue-blind)

#00BEC5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63afef;
/* rgb */ color: rgb(99, 175, 239);
/* oklch */ color: oklch(73.1% 0.120 245.9);

Tailwind

colors: {
  custom: {
    50: '#9ac6f4',
    500: '#63afef',
    950: '#000000',
  },
}

SCSS

$custom: #63afef;
$custom-light: #9ac6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63afef",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 239
  },
  "hsl": {
    "h": 207.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.73126,
    "c": 0.1203,
    "h": 245.9
  },
  "luminance": 0.39545
}

Semantic roles & 50–950 ramp

primary

#63AFEF

secondary

#EED5C0

accent

#6A08DE

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFEF

Body copy rendered with the generated semantic roles for this colour.

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