#63D3EA#63D3EA

#63D3EA is a light, moderate cyan. Relative luminance 0.552; OKLCH L 81.0% C 0.106 H 213.1°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#63D3EA
RGB	rgb(99, 211, 234)
HSL	hsl(190, 76%, 65%)
HSV	hsv(190, 58%, 92%)
CMYK	cmyk(57.7%, 9.8%, 0%, 8.2%)
CIE-LAB	lab(79.14, -25.42, -20.97)
CIE-LCH	lch(79.14, 32.95, 219.53°)
OKLab	oklab(81.03% -0.0891 -0.0581)
OKLCH	oklch(81.03% 0.106 213.1)
XYZ	xyz(43.2851, 55.1774, 86.1951)
Luminance	0.5518 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3EA #EA7A63

analogous

#63EABD #63D3EA #6390EA

triadic

#63D3EA #EA63D3 #D3EA63

tetradic

#63D3EA #BD63EA #EA7A63 #90EA63

square

#63D3EA #BD63EA #EA7A63 #90EA63

split-complementary

#63D3EA #EA6390 #EABD63

monochromatic

#199EBA #2DC4E3 #63D3EA #99E2F1 #CFF1F9

Accessibility & contrast

On white

1.74

#63D3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#63D3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3EA

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3EA	#FFFFFF	#000000	##000000
##63D3EA	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CDEB

Deuteranopia (green-blind)

#ADBEEA

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #63d3ea;
/* rgb */ color: rgb(99, 211, 234);
/* oklch */ color: oklch(81.0% 0.106 213.1);

Tailwind

colors: {
  custom: {
    50: '#9be0f0',
    500: '#63d3ea',
    950: '#000000',
  },
}

SCSS

$custom: #63d3ea;
$custom-light: #9be0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3ea",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 234
  },
  "hsl": {
    "h": 190.222,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.81026,
    "c": 0.10641,
    "h": 213.1
  },
  "luminance": 0.55182
}

Semantic roles & 50–950 ramp

primary

#63D3EA

secondary

#B94E38

accent

#300DD8

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D3EA

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

Preview Lab → · Contrast checker → · Palette generator →