#63C0E0#63C0E0

#63C0E0 is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.3% C 0.099 H 223.0°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#63C0E0
RGB	rgb(99, 192, 224)
HSL	hsl(195, 67%, 63%)
HSV	hsv(195, 56%, 88%)
CMYK	cmyk(55.8%, 14.3%, 0%, 12.2%)
CIE-LAB	lab(73.37, -18.68, -24.38)
CIE-LCH	lch(73.37, 30.71, 232.54°)
OKLab	oklab(76.29% -0.0726 -0.0677)
OKLCH	oklch(76.29% 0.099 223)
XYZ	xyz(37.4446, 45.7303, 77.3601)
Luminance	0.4573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0E0 #E08363

analogous

#63E0C1 #63C0E0 #6381E0

triadic

#63C0E0 #E063C0 #C0E063

tetradic

#63C0E0 #C163E0 #E08363 #81E063

square

#63C0E0 #C163E0 #E08363 #81E063

split-complementary

#63C0E0 #E06381 #E0C163

monochromatic

#2185A7 #30ABD6 #63C0E0 #96D5EA #C9E9F4

Accessibility & contrast

On white

2.07

#63C0E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#63C0E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0E0

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0E0	#FFFFFF	#000000	##000000
##63C0E0	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBCE2

Deuteranopia (green-blind)

#9BAEE0

Tritanopia (blue-blind)

#00CACA

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63c0e0;
/* rgb */ color: rgb(99, 192, 224);
/* oklch */ color: oklch(76.3% 0.099 223.0);

Tailwind

colors: {
  custom: {
    50: '#99d3e9',
    500: '#63c0e0',
    950: '#000000',
  },
}

SCSS

$custom: #63c0e0;
$custom-light: #99d3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0e0",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 224
  },
  "hsl": {
    "h": 195.36,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.76291,
    "c": 0.09929,
    "h": 223
  },
  "luminance": 0.45734
}

Semantic roles & 50–950 ramp

primary

#63C0E0

secondary

#E6C5B9

accent

#4617CF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63C0E0

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

Preview Lab → · Contrast checker → · Palette generator →