#63D3EE#63D3EE

#63D3EE is a light, moderate cyan. Relative luminance 0.554; OKLCH L 81.2% C 0.108 H 216.0°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#63D3EE
RGB	rgb(99, 211, 238)
HSL	hsl(192, 80%, 66%)
HSV	hsv(192, 58%, 93%)
CMYK	cmyk(58.4%, 11.3%, 0%, 6.7%)
CIE-LAB	lab(79.28, -24.28, -22.91)
CIE-LCH	lch(79.28, 33.38, 223.34°)
OKLab	oklab(81.18% -0.0876 -0.0636)
OKLCH	oklch(81.18% 0.108 216)
XYZ	xyz(43.8663, 55.4099, 89.2558)
Luminance	0.5541 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D3EE #EE7E63

analogous

#63EEC4 #63D3EE #638DEE

triadic

#63D3EE #EE63D3 #D3EE63

tetradic

#63D3EE #C463EE #EE7E63 #8DEE63

square

#63D3EE #C463EE #EE7E63 #8DEE63

split-complementary

#63D3EE #EE638D #EEC463

monochromatic

#15A0C2 #2CC3E8 #63D3EE #9AE3F4 #D1F2FA

Accessibility & contrast

On white

1.74

#63D3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.08

#63D3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D3EE

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D3EE	#FFFFFF	#000000	##000000
##63D3EE	1.00	1.74	12.08	12.08
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.08	21.00	1.00	1.00
##000000	12.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CDF0

Deuteranopia (green-blind)

#ACBEEE

Tritanopia (blue-blind)

#00DDDB

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #63d3ee;
/* rgb */ color: rgb(99, 211, 238);
/* oklch */ color: oklch(81.2% 0.108 216.0);

Tailwind

colors: {
  custom: {
    50: '#9be0f3',
    500: '#63d3ee',
    950: '#000000',
  },
}

SCSS

$custom: #63d3ee;
$custom-light: #9be0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63d3ee",
  "rgb": {
    "r": 99,
    "g": 211,
    "b": 238
  },
  "hsl": {
    "h": 191.655,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.81177,
    "c": 0.10823,
    "h": 216
  },
  "luminance": 0.55414
}

Semantic roles & 50–950 ramp

primary

#63D3EE

secondary

#C05036

accent

#3209DD

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D3EE

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

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