#63C0DC#63C0DC

#63C0DC is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.1% C 0.097 H 220.0°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#63C0DC
RGB	rgb(99, 192, 220)
HSL	hsl(194, 63%, 63%)
HSV	hsv(194, 55%, 86%)
CMYK	cmyk(55%, 12.7%, 0%, 13.7%)
CIE-LAB	lab(73.23, -19.83, -22.42)
CIE-LCH	lch(73.23, 29.93, 228.51°)
OKLab	oklab(76.13% -0.0741 -0.0622)
OKLCH	oklch(76.13% 0.097 220)
XYZ	xyz(36.9085, 45.5158, 74.5367)
Luminance	0.4552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C0DC #DC7F63

analogous

#63DCBB #63C0DC #6384DC

triadic

#63C0DC #DC63C0 #C0DC63

tetradic

#63C0DC #BB63DC #DC7F63 #84DC63

square

#63C0DC #BB63DC #DC7F63 #84DC63

split-complementary

#63C0DC #DC6384 #DCBB63

monochromatic

#2484A1 #31ACD1 #63C0DC #95D4E7 #C7E8F2

Accessibility & contrast

On white

2.08

#63C0DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#63C0DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C0DC

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C0DC	#FFFFFF	#000000	##000000
##63C0DC	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBBDE

Deuteranopia (green-blind)

#9DAEDC

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63c0dc;
/* rgb */ color: rgb(99, 192, 220);
/* oklch */ color: oklch(76.1% 0.097 220.0);

Tailwind

colors: {
  custom: {
    50: '#99d3e7',
    500: '#63c0dc',
    950: '#000000',
  },
}

SCSS

$custom: #63c0dc;
$custom-light: #99d3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#63c0dc",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 220
  },
  "hsl": {
    "h": 193.884,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.76133,
    "c": 0.09676,
    "h": 220
  },
  "luminance": 0.45519
}

Semantic roles & 50–950 ramp

primary

#63C0DC

secondary

#E3C2B7

accent

#431ACB

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63C0DC

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

Preview Lab → · Contrast checker → · Palette generator →