#63C0EA#63C0EA

#63C0EA is a light, moderate cyan. Relative luminance 0.463; OKLCH L 76.7% C 0.107 H 229.8°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#63C0EA
RGB	rgb(99, 192, 234)
HSL	hsl(199, 76%, 65%)
HSV	hsv(199, 58%, 92%)
CMYK	cmyk(57.7%, 17.9%, 0%, 8.2%)
CIE-LAB	lab(73.73, -15.74, -29.24)
CIE-LCH	lch(73.73, 33.20, 241.71°)
OKLab	oklab(76.7% -0.069 -0.0815)
OKLCH	oklch(76.7% 0.107 229.8)
XYZ	xyz(38.8408, 46.2888, 84.7137)
Luminance	0.4629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0EA #EA8D63

analogous

#63EAD1 #63C0EA #637CEA

triadic

#63C0EA #EA63C0 #C0EA63

tetradic

#63C0EA #D163EA #EA8D63 #7CEA63

square

#63C0EA #D163EA #EA8D63 #7CEA63

split-complementary

#63C0EA #EA637C #EAD163

monochromatic

#1988BA #2DAAE3 #63C0EA #99D6F1 #CFECF9

Accessibility & contrast

On white

2.05

#63C0EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#63C0EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0EA

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0EA	#FFFFFF	#000000	##000000
##63C0EA	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBDEC

Deuteranopia (green-blind)

#98AFE9

Tritanopia (blue-blind)

#00CCCE

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63c0ea;
/* rgb */ color: rgb(99, 192, 234);
/* oklch */ color: oklch(76.7% 0.107 229.8);

Tailwind

colors: {
  custom: {
    50: '#9ad3f0',
    500: '#63c0ea',
    950: '#000000',
  },
}

SCSS

$custom: #63c0ea;
$custom-light: #9ad3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0ea",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 234
  },
  "hsl": {
    "h": 198.667,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.767,
    "c": 0.10678,
    "h": 229.8
  },
  "luminance": 0.46292
}

Semantic roles & 50–950 ramp

primary

#63C0EA

secondary

#EBCCBE

accent

#4C0DD8

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63C0EA

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

Preview Lab → · Contrast checker → · Palette generator →