#63D0ED#63D0ED

#63D0ED is a light, moderate cyan. Relative luminance 0.539; OKLCH L 80.5% C 0.107 H 217.8°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#63D0ED
RGB	rgb(99, 208, 237)
HSL	hsl(193, 79%, 66%)
HSV	hsv(193, 58%, 93%)
CMYK	cmyk(58.2%, 12.2%, 0%, 7.1%)
CIE-LAB	lab(78.39, -23.07, -23.73)
CIE-LCH	lch(78.39, 33.09, 225.81°)
OKLab	oklab(80.45% -0.0848 -0.0659)
OKLCH	oklch(80.45% 0.107 217.8)
XYZ	xyz(42.9814, 53.8746, 88.2381)
Luminance	0.5388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D0ED #ED8063

analogous

#63EDC5 #63D0ED #638BED

triadic

#63D0ED #ED63D0 #D0ED63

tetradic

#63D0ED #C563ED #ED8063 #8BED63

square

#63D0ED #C563ED #ED8063 #8BED63

split-complementary

#63D0ED #ED638B #EDC563

monochromatic

#169CC0 #2CBFE7 #63D0ED #9AE1F3 #D1F1FA

Accessibility & contrast

On white

1.78

#63D0ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#63D0ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0ED

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D0ED	#FFFFFF	#000000	##000000
##63D0ED	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCBEF

Deuteranopia (green-blind)

#A9BBED

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d0ed;
/* rgb */ color: rgb(99, 208, 237);
/* oklch */ color: oklch(80.5% 0.107 217.8);

Tailwind

colors: {
  custom: {
    50: '#9bdef2',
    500: '#63d0ed',
    950: '#000000',
  },
}

SCSS

$custom: #63d0ed;
$custom-light: #9bdef2;
$custom-dark: #000000;

JSON

{
  "hex": "#63d0ed",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 237
  },
  "hsl": {
    "h": 192.609,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.80454,
    "c": 0.10739,
    "h": 217.8
  },
  "luminance": 0.53879
}

Semantic roles & 50–950 ramp

primary

#63D0ED

secondary

#BE5336

accent

#360ADC

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D0ED

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

Preview Lab → · Contrast checker → · Palette generator →