#63D1EA#63D1EA

#63D1EA is a light, moderate cyan. Relative luminance 0.542; OKLCH L 80.6% C 0.106 H 214.8°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#63D1EA
RGB	rgb(99, 209, 234)
HSL	hsl(191, 76%, 65%)
HSV	hsv(191, 58%, 92%)
CMYK	cmyk(57.7%, 10.7%, 0%, 8.2%)
CIE-LAB	lab(78.57, -24.42, -21.84)
CIE-LCH	lch(78.57, 32.76, 221.80°)
OKLab	oklab(80.57% -0.087 -0.0606)
OKLCH	oklch(80.57% 0.106 214.8)
XYZ	xyz(42.7914, 54.1899, 86.0305)
Luminance	0.5419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D1EA #EA7C63

analogous

#63EABF #63D1EA #638DEA

triadic

#63D1EA #EA63D1 #D1EA63

tetradic

#63D1EA #BF63EA #EA7C63 #8DEA63

square

#63D1EA #BF63EA #EA7C63 #8DEA63

split-complementary

#63D1EA #EA638D #EABF63

monochromatic

#199CBA #2DC1E3 #63D1EA #99E1F1 #CFF1F9

Accessibility & contrast

On white

1.77

#63D1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#63D1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D1EA

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D1EA	#FFFFFF	#000000	##000000
##63D1EA	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCBEB

Deuteranopia (green-blind)

#ABBCEA

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #63d1ea;
/* rgb */ color: rgb(99, 209, 234);
/* oklch */ color: oklch(80.6% 0.106 214.8);

Tailwind

colors: {
  custom: {
    50: '#9bdff0',
    500: '#63d1ea',
    950: '#000000',
  },
}

SCSS

$custom: #63d1ea;
$custom-light: #9bdff0;
$custom-dark: #000000;

JSON

{
  "hex": "#63d1ea",
  "rgb": {
    "r": 99,
    "g": 209,
    "b": 234
  },
  "hsl": {
    "h": 191.111,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.80568,
    "c": 0.10602,
    "h": 214.8
  },
  "luminance": 0.54194
}

Semantic roles & 50–950 ramp

primary

#63D1EA

secondary

#B95038

accent

#330DD8

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D1EA

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

Preview Lab → · Contrast checker → · Palette generator →