#63CBE8#63CBE8

#63CBE8 is a light, moderate cyan. Relative luminance 0.512; OKLCH L 79.1% C 0.104 H 218.7°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#63CBE8
RGB	rgb(99, 203, 232)
HSL	hsl(193, 74%, 65%)
HSV	hsv(193, 57%, 91%)
CMYK	cmyk(57.3%, 12.5%, 0%, 9%)
CIE-LAB	lab(76.79, -21.99, -23.48)
CIE-LCH	lch(76.79, 32.16, 226.88°)
OKLab	oklab(79.12% -0.0814 -0.0652)
OKLCH	oklch(79.12% 0.104 218.7)
XYZ	xyz(41.0612, 51.1868, 84.0444)
Luminance	0.5119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBE8 #E88063

analogous

#63E8C3 #63CBE8 #6388E8

triadic

#63CBE8 #E863CB #CBE863

tetradic

#63CBE8 #C363E8 #E88063 #88E863

square

#63CBE8 #C363E8 #E88063 #88E863

split-complementary

#63CBE8 #E86388 #E8C363

monochromatic

#1B94B6 #2EB9E0 #63CBE8 #98DDF0 #CEEFF8

Accessibility & contrast

On white

1.87

#63CBE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#63CBE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBE8

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBE8	#FFFFFF	#000000	##000000
##63CBE8	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C6EA

Deuteranopia (green-blind)

#A5B7E8

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63cbe8;
/* rgb */ color: rgb(99, 203, 232);
/* oklch */ color: oklch(79.1% 0.104 218.7);

Tailwind

colors: {
  custom: {
    50: '#9adbef',
    500: '#63cbe8',
    950: '#000000',
  },
}

SCSS

$custom: #63cbe8;
$custom-light: #9adbef;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbe8",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 232
  },
  "hsl": {
    "h": 193.083,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.79119,
    "c": 0.10431,
    "h": 218.7
  },
  "luminance": 0.51191
}

Semantic roles & 50–950 ramp

primary

#63CBE8

secondary

#B65539

accent

#3B0FD6

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63CBE8

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

Preview Lab → · Contrast checker → · Palette generator →