#63CEEC#63CEEC

#63CEEC is a light, moderate cyan. Relative luminance 0.529; OKLCH L 80.0% C 0.107 H 218.9°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#63CEEC
RGB	rgb(99, 206, 236)
HSL	hsl(193, 78%, 66%)
HSV	hsv(193, 58%, 93%)
CMYK	cmyk(58.1%, 12.7%, 0%, 7.5%)
CIE-LAB	lab(77.78, -22.35, -24.11)
CIE-LCH	lch(77.78, 32.87, 227.17°)
OKLab	oklab(79.96% -0.0831 -0.067)
OKLCH	oklch(79.96% 0.107 218.9)
XYZ	xyz(42.3512, 52.8473, 87.3093)
Luminance	0.5285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CEEC #EC8163

analogous

#63ECC6 #63CEEC #6389EC

triadic

#63CEEC #EC63CE #CEEC63

tetradic

#63CEEC #C663EC #EC8163 #89EC63

square

#63CEEC #C663EC #EC8163 #89EC63

split-complementary

#63CEEC #EC6389 #ECC663

monochromatic

#1799BE #2CBDE5 #63CEEC #9ADFF3 #D0F0F9

Accessibility & contrast

On white

1.82

#63CEEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#63CEEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CEEC

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CEEC	#FFFFFF	#000000	##000000
##63CEEC	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC9EE

Deuteranopia (green-blind)

#A7BAEC

Tritanopia (blue-blind)

#00D8D7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63ceec;
/* rgb */ color: rgb(99, 206, 236);
/* oklch */ color: oklch(80.0% 0.107 218.9);

Tailwind

colors: {
  custom: {
    50: '#9bddf2',
    500: '#63ceec',
    950: '#000000',
  },
}

SCSS

$custom: #63ceec;
$custom-light: #9bddf2;
$custom-dark: #000000;

JSON

{
  "hex": "#63ceec",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 236
  },
  "hsl": {
    "h": 193.139,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.79959,
    "c": 0.10672,
    "h": 218.9
  },
  "luminance": 0.52851
}

Semantic roles & 50–950 ramp

primary

#63CEEC

secondary

#BC5437

accent

#380BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CEEC

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

Preview Lab → · Contrast checker → · Palette generator →