#63BCE8#63BCE8

#63BCE8 is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.7% C 0.106 H 232.0°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#63BCE8
RGB	rgb(99, 188, 232)
HSL	hsl(200, 74%, 65%)
HSV	hsv(200, 57%, 91%)
CMYK	cmyk(57.3%, 19%, 0%, 9%)
CIE-LAB	lab(72.52, -14.23, -30.01)
CIE-LCH	lch(72.52, 33.22, 244.63°)
OKLab	oklab(75.71% -0.0654 -0.0837)
OKLCH	oklch(75.71% 0.106 232)
XYZ	xyz(37.6888, 44.4418, 82.9202)
Luminance	0.4445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCE8 #E88F63

analogous

#63E8D2 #63BCE8 #6379E8

triadic

#63BCE8 #E863BC #BCE863

tetradic

#63BCE8 #D263E8 #E88F63 #79E863

square

#63BCE8 #D263E8 #E88F63 #79E863

split-complementary

#63BCE8 #E86379 #E8D263

monochromatic

#1B83B6 #2EA5E0 #63BCE8 #98D3F0 #CEEAF8

Accessibility & contrast

On white

2.12

#63BCE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#63BCE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCE8

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCE8	#FFFFFF	#000000	##000000
##63BCE8	1.00	2.12	9.89	9.89
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.89	21.00	1.00	1.00
##000000	9.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEA

Deuteranopia (green-blind)

#94ACE7

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bce8;
/* rgb */ color: rgb(99, 188, 232);
/* oklch */ color: oklch(75.7% 0.106 232.0);

Tailwind

colors: {
  custom: {
    50: '#99d0ef',
    500: '#63bce8',
    950: '#000000',
  },
}

SCSS

$custom: #63bce8;
$custom-light: #99d0ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63bce8",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 232
  },
  "hsl": {
    "h": 199.85,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.75712,
    "c": 0.10625,
    "h": 232
  },
  "luminance": 0.44445
}

Semantic roles & 50–950 ramp

primary

#63BCE8

secondary

#EACCBD

accent

#510FD6

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BCE8

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

Preview Lab → · Contrast checker → · Palette generator →