#63B4C7#63B4C7

#63B4C7 is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.6% C 0.084 H 214.8°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#63B4C7
RGB	rgb(99, 180, 199)
HSL	hsl(191, 47%, 58%)
HSV	hsv(191, 50%, 78%)
CMYK	cmyk(50.3%, 9.5%, 0%, 22%)
CIE-LAB	lab(69.05, -19.60, -17.29)
CIE-LCH	lch(69.05, 26.13, 221.42°)
OKLab	oklab(72.55% -0.0688 -0.0478)
OKLCH	oklch(72.55% 0.084 214.8)
XYZ	xyz(31.7717, 39.4160, 59.9555)
Luminance	0.3942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4C7 #C77663

analogous

#63C7A8 #63B4C7 #6382C7

triadic

#63B4C7 #C763B4 #B4C763

tetradic

#63B4C7 #A863C7 #C77663 #82C763

square

#63B4C7 #A863C7 #C77663 #82C763

split-complementary

#63B4C7 #C76382 #C7A863

monochromatic

#2E7181 #3F99AE #63B4C7 #90CAD7 #BDDFE7

Accessibility & contrast

On white

2.36

#63B4C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#63B4C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4C7

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4C7	#FFFFFF	#000000	##000000
##63B4C7	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6AFC8

Deuteranopia (green-blind)

#97A4C7

Tritanopia (blue-blind)

#26BBBA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b4c7;
/* rgb */ color: rgb(99, 180, 199);
/* oklch */ color: oklch(72.6% 0.084 214.8);

Tailwind

colors: {
  custom: {
    50: '#96cad8',
    500: '#63b4c7',
    950: '#000000',
  },
}

SCSS

$custom: #63b4c7;
$custom-light: #96cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4c7",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 199
  },
  "hsl": {
    "h": 191.4,
    "s": 47.17,
    "l": 58.431
  },
  "oklch": {
    "l": 0.72554,
    "c": 0.08377,
    "h": 214.8
  },
  "luminance": 0.39419
}

Semantic roles & 50–950 ramp

primary

#63B4C7

secondary

#D7B7AF

accent

#6A51D7

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #63B4C7

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

Preview Lab → · Contrast checker → · Palette generator →