#63D4ED#63D4ED

#63D4ED is a light, moderate cyan. Relative luminance 0.559; OKLCH L 81.4% C 0.108 H 214.4°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#63D4ED
RGB	rgb(99, 212, 237)
HSL	hsl(191, 79%, 66%)
HSV	hsv(191, 58%, 93%)
CMYK	cmyk(58.2%, 10.5%, 0%, 7.1%)
CIE-LAB	lab(79.53, -25.06, -21.99)
CIE-LCH	lch(79.53, 33.34, 221.27°)
OKLab	oklab(81.37% -0.089 -0.061)
OKLCH	oklch(81.37% 0.108 214.4)
XYZ	xyz(43.9690, 55.8497, 88.5672)
Luminance	0.5585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4ED #ED7C63

analogous

#63EDC1 #63D4ED #638FED

triadic

#63D4ED #ED63D4 #D4ED63

tetradic

#63D4ED #C163ED #ED7C63 #8FED63

square

#63D4ED #C163ED #ED7C63 #8FED63

split-complementary

#63D4ED #ED638F #EDC163

monochromatic

#16A1C0 #2CC5E7 #63D4ED #9AE3F3 #D1F2FA

Accessibility & contrast

On white

1.73

#63D4ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#63D4ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4ED

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4ED	#FFFFFF	#000000	##000000
##63D4ED	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CEEE

Deuteranopia (green-blind)

#ADBEED

Tritanopia (blue-blind)

#00DEDC

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d4ed;
/* rgb */ color: rgb(99, 212, 237);
/* oklch */ color: oklch(81.4% 0.108 214.4);

Tailwind

colors: {
  custom: {
    50: '#9be1f2',
    500: '#63d4ed',
    950: '#000000',
  },
}

SCSS

$custom: #63d4ed;
$custom-light: #9be1f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4ed",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 237
  },
  "hsl": {
    "h": 190.87,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.81368,
    "c": 0.10791,
    "h": 214.4
  },
  "luminance": 0.55854
}

Semantic roles & 50–950 ramp

primary

#63D4ED

secondary

#BE4F36

accent

#300ADC

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D4ED

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

Preview Lab → · Contrast checker → · Palette generator →