#63B4CE#63B4CE

#63B4CE is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.8% C 0.088 H 221.0°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#63B4CE
RGB	rgb(99, 180, 206)
HSL	hsl(195, 52%, 60%)
HSV	hsv(195, 52%, 81%)
CMYK	cmyk(51.9%, 12.6%, 0%, 19.2%)
CIE-LAB	lab(69.29, -17.62, -20.77)
CIE-LCH	lch(69.29, 27.24, 229.69°)
OKLab	oklab(72.82% -0.0661 -0.0575)
OKLCH	oklch(72.82% 0.088 221)
XYZ	xyz(32.6032, 39.7486, 64.3347)
Luminance	0.3975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4CE #CE7D63

analogous

#63CEB2 #63B4CE #637FCE

triadic

#63B4CE #CE63B4 #B4CE63

tetradic

#63B4CE #B263CE #CE7D63 #7FCE63

square

#63B4CE #B263CE #CE7D63 #7FCE63

split-complementary

#63B4CE #CE637F #CEB263

monochromatic

#2C748B #3A9BBA #63B4CE #92CADD #C0E1EB

Accessibility & contrast

On white

2.35

#63B4CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#63B4CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4CE

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4CE	#FFFFFF	#000000	##000000
##63B4CE	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B0CF

Deuteranopia (green-blind)

#94A4CE

Tritanopia (blue-blind)

#1BBDBC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b4ce;
/* rgb */ color: rgb(99, 180, 206);
/* oklch */ color: oklch(72.8% 0.088 221.0);

Tailwind

colors: {
  custom: {
    50: '#97cadd',
    500: '#63b4ce',
    950: '#000000',
  },
}

SCSS

$custom: #63b4ce;
$custom-light: #97cadd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4ce",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 206
  },
  "hsl": {
    "h": 194.579,
    "s": 52.195,
    "l": 59.804
  },
  "oklch": {
    "l": 0.72824,
    "c": 0.08764,
    "h": 221
  },
  "luminance": 0.39751
}

Semantic roles & 50–950 ramp

primary

#63B4CE

secondary

#DBBCB2

accent

#6F4CDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B4CE

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

Preview Lab → · Contrast checker → · Palette generator →