#63D0EA#63D0EA

#63D0EA is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.3% C 0.106 H 215.7°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#63D0EA
RGB	rgb(99, 208, 234)
HSL	hsl(192, 76%, 65%)
HSV	hsv(192, 58%, 92%)
CMYK	cmyk(57.7%, 11.1%, 0%, 8.2%)
CIE-LAB	lab(78.29, -23.93, -22.27)
CIE-LCH	lch(78.29, 32.69, 222.95°)
OKLab	oklab(80.34% -0.086 -0.0618)
OKLCH	oklch(80.34% 0.106 215.7)
XYZ	xyz(42.5468, 53.7007, 85.9490)
Luminance	0.5371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0EA #EA7D63

analogous

#63EAC1 #63D0EA #638CEA

triadic

#63D0EA #EA63D0 #D0EA63

tetradic

#63D0EA #C163EA #EA7D63 #8CEA63

square

#63D0EA #C163EA #EA7D63 #8CEA63

split-complementary

#63D0EA #EA638C #EAC163

monochromatic

#199BBA #2DC0E3 #63D0EA #99E0F1 #CFF1F9

Accessibility & contrast

On white

1.79

#63D0EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#63D0EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0EA

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0EA	#FFFFFF	#000000	##000000
##63D0EA	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BECAEB

Deuteranopia (green-blind)

#AABBEA

Tritanopia (blue-blind)

#00DAD8

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d0ea;
/* rgb */ color: rgb(99, 208, 234);
/* oklch */ color: oklch(80.3% 0.106 215.7);

Tailwind

colors: {
  custom: {
    50: '#9bdef0',
    500: '#63d0ea',
    950: '#000000',
  },
}

SCSS

$custom: #63d0ea;
$custom-light: #9bdef0;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0ea",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 234
  },
  "hsl": {
    "h": 191.556,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.80339,
    "c": 0.10587,
    "h": 215.7
  },
  "luminance": 0.53705
}

Semantic roles & 50–950 ramp

primary

#63D0EA

secondary

#B95138

accent

#340DD8

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D0EA

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

Preview Lab → · Contrast checker → · Palette generator →