#63D0E7#63D0E7

#63D0E7 is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.2% C 0.104 H 213.5°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#63D0E7
RGB	rgb(99, 208, 231)
HSL	hsl(190, 73%, 65%)
HSV	hsv(190, 57%, 91%)
CMYK	cmyk(57.1%, 10%, 0%, 9.4%)
CIE-LAB	lab(78.19, -24.78, -20.82)
CIE-LCH	lch(78.19, 32.36, 220.04°)
OKLab	oklab(80.23% -0.0871 -0.0577)
OKLCH	oklch(80.23% 0.104 213.5)
XYZ	xyz(42.1195, 53.5298, 83.6984)
Luminance	0.5353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0E7 #E77A63

analogous

#63E7BC #63D0E7 #638EE7

triadic

#63D0E7 #E763D0 #D0E763

tetradic

#63D0E7 #BC63E7 #E77A63 #8EE763

square

#63D0E7 #BC63E7 #E77A63 #8EE763

split-complementary

#63D0E7 #E7638E #E7BC63

monochromatic

#1C99B4 #2EC0DF #63D0E7 #98E0EF #CDF0F7

Accessibility & contrast

On white

1.79

#63D0E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#63D0E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0E7

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0E7	#FFFFFF	#000000	##000000
##63D0E7	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCAE8

Deuteranopia (green-blind)

#ABBBE7

Tritanopia (blue-blind)

#00D9D7

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #63d0e7;
/* rgb */ color: rgb(99, 208, 231);
/* oklch */ color: oklch(80.2% 0.104 213.5);

Tailwind

colors: {
  custom: {
    50: '#9adeee',
    500: '#63d0e7',
    950: '#000000',
  },
}

SCSS

$custom: #63d0e7;
$custom-light: #9adeee;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0e7",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 231
  },
  "hsl": {
    "h": 190.455,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.80226,
    "c": 0.10449,
    "h": 213.5
  },
  "luminance": 0.53534
}

Semantic roles & 50–950 ramp

primary

#63D0E7

secondary

#B44F3A

accent

#3210D5

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D0E7

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

Preview Lab → · Contrast checker → · Palette generator →