#63C0DF#63C0DF

#63C0DF is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.099 H 222.3°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63C0DF
RGB	rgb(99, 192, 223)
HSL	hsl(195, 66%, 63%)
HSV	hsv(195, 56%, 87%)
CMYK	cmyk(55.6%, 13.9%, 0%, 12.5%)
CIE-LAB	lab(73.33, -18.97, -23.89)
CIE-LCH	lch(73.33, 30.50, 231.55°)
OKLab	oklab(76.25% -0.073 -0.0663)
OKLCH	oklch(76.25% 0.099 222.3)
XYZ	xyz(37.3093, 45.6762, 76.6480)
Luminance	0.4568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0DF #DF8263

analogous

#63DFC0 #63C0DF #6382DF

triadic

#63C0DF #DF63C0 #C0DF63

tetradic

#63C0DF #C063DF #DF8263 #82DF63

square

#63C0DF #C063DF #DF8263 #82DF63

split-complementary

#63C0DF #DF6382 #DFC063

monochromatic

#2285A6 #30ABD5 #63C0DF #96D5E9 #C9E9F4

Accessibility & contrast

On white

2.07

#63C0DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63C0DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0DF

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0DF	#FFFFFF	#000000	##000000
##63C0DF	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBCE1

Deuteranopia (green-blind)

#9CAEDF

Tritanopia (blue-blind)

#00CACA

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63c0df;
/* rgb */ color: rgb(99, 192, 223);
/* oklch */ color: oklch(76.3% 0.099 222.3);

Tailwind

colors: {
  custom: {
    50: '#99d3e9',
    500: '#63c0df',
    950: '#000000',
  },
}

SCSS

$custom: #63c0df;
$custom-light: #99d3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0df",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 223
  },
  "hsl": {
    "h": 195,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.76251,
    "c": 0.09863,
    "h": 222.3
  },
  "luminance": 0.4568
}

Semantic roles & 50–950 ramp

primary

#63C0DF

secondary

#E5C4B9

accent

#4518CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63C0DF

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

Preview Lab → · Contrast checker → · Palette generator →