#63D8F2#63D8F2

#63D8F2 is a very light, moderate cyan. Relative luminance 0.582; OKLCH L 82.5% C 0.111 H 214.6°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#63D8F2
RGB	rgb(99, 216, 242)
HSL	hsl(191, 85%, 67%)
HSV	hsv(191, 59%, 95%)
CMYK	cmyk(59.1%, 10.7%, 0%, 5.1%)
CIE-LAB	lab(80.83, -25.61, -22.67)
CIE-LCH	lch(80.83, 34.21, 221.51°)
OKLab	oklab(82.47% -0.0913 -0.0629)
OKLCH	oklch(82.47% 0.111 214.6)
XYZ	xyz(45.7220, 58.1706, 92.8057)
Luminance	0.5817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8F2 #F27D63

analogous

#63F2C5 #63D8F2 #6391F2

triadic

#63D8F2 #F263D8 #D8F263

tetradic

#63D8F2 #C563F2 #F27D63 #91F263

square

#63D8F2 #C563F2 #F27D63 #91F263

split-complementary

#63D8F2 #F26391 #F2C563

monochromatic

#11A8CA #2BCAED #63D8F2 #9BE6F7 #D4F4FB

Accessibility & contrast

On white

1.66

#63D8F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#63D8F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8F2

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8F2	#FFFFFF	#000000	##000000
##63D8F2	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D2F4

Deuteranopia (green-blind)

#B0C2F2

Tritanopia (blue-blind)

#00E2E0

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d8f2;
/* rgb */ color: rgb(99, 216, 242);
/* oklch */ color: oklch(82.5% 0.111 214.6);

Tailwind

colors: {
  custom: {
    50: '#9ce4f6',
    500: '#63d8f2',
    950: '#000000',
  },
}

SCSS

$custom: #63d8f2;
$custom-light: #9ce4f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8f2",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 242
  },
  "hsl": {
    "h": 190.909,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.8247,
    "c": 0.11084,
    "h": 214.6
  },
  "luminance": 0.58175
}

Semantic roles & 50–950 ramp

primary

#63D8F2

secondary

#C64E33

accent

#2D04E1

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D8F2

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

Preview Lab → · Contrast checker → · Palette generator →