#63C4DA#63C4DA

#63C4DA is a light, moderate cyan. Relative luminance 0.472; OKLCH L 77.0% C 0.096 H 214.5°. Best body text is #000000 at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#63C4DA
RGB	rgb(99, 196, 218)
HSL	hsl(191, 62%, 62%)
HSV	hsv(191, 55%, 85%)
CMYK	cmyk(54.6%, 10.1%, 0%, 14.5%)
CIE-LAB	lab(74.31, -22.44, -19.69)
CIE-LCH	lch(74.31, 29.85, 221.27°)
OKLab	oklab(76.98% -0.0793 -0.0545)
OKLCH	oklch(76.98% 0.096 214.5)
XYZ	xyz(37.5354, 47.1910, 73.4468)
Luminance	0.4719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4DA #DA7963

analogous

#63DAB4 #63C4DA #6389DA

triadic

#63C4DA #DA63C4 #C4DA63

tetradic

#63C4DA #B463DA #DA7963 #89DA63

square

#63C4DA #B463DA #DA7963 #89DA63

split-complementary

#63C4DA #DA6389 #DAB463

monochromatic

#25879D #32B1CE #63C4DA #94D7E6 #C6E9F1

Accessibility & contrast

On white

2.01

#63C4DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.44

#63C4DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4DA

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4DA	#FFFFFF	#000000	##000000
##63C4DA	1.00	2.01	10.44	10.44
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.44	21.00	1.00	1.00
##000000	10.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BEDB

Deuteranopia (green-blind)

#A2B1DA

Tritanopia (blue-blind)

#00CDCB

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63c4da;
/* rgb */ color: rgb(99, 196, 218);
/* oklch */ color: oklch(77.0% 0.096 214.5);

Tailwind

colors: {
  custom: {
    50: '#99d6e5',
    500: '#63c4da',
    950: '#000000',
  },
}

SCSS

$custom: #63c4da;
$custom-light: #99d6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4da",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 218
  },
  "hsl": {
    "h": 191.092,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.76976,
    "c": 0.09621,
    "h": 214.5
  },
  "luminance": 0.47194
}

Semantic roles & 50–950 ramp

primary

#63C4DA

secondary

#E2BFB7

accent

#3C1CC9

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0F1415

muted

#7E8384

Preview Lab

Preview with #63C4DA

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

Preview Lab → · Contrast checker → · Palette generator →