#63CBE4#63CBE4

#63CBE4 is a light, moderate cyan. Relative luminance 0.510; OKLCH L 79.0% C 0.102 H 215.7°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#63CBE4
RGB	rgb(99, 203, 228)
HSL	hsl(192, 70%, 64%)
HSV	hsv(192, 57%, 89%)
CMYK	cmyk(56.6%, 11%, 0%, 10.6%)
CIE-LAB	lab(76.66, -23.13, -21.53)
CIE-LCH	lch(76.66, 31.60, 222.95°)
OKLab	oklab(78.97% -0.083 -0.0597)
OKLCH	oklch(78.97% 0.102 215.7)
XYZ	xyz(40.4995, 50.9621, 81.0861)
Luminance	0.5097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBE4 #E47C63

analogous

#63E4BD #63CBE4 #638BE4

triadic

#63CBE4 #E463CB #CBE463

tetradic

#63CBE4 #BD63E4 #E47C63 #8BE463

square

#63CBE4 #BD63E4 #E47C63 #8BE463

split-complementary

#63CBE4 #E4638B #E4BD63

monochromatic

#1E92AE #2FBADB #63CBE4 #97DCED #CBEEF6

Accessibility & contrast

On white

1.88

#63CBE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#63CBE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBE4

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBE4	#FFFFFF	#000000	##000000
##63CBE4	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC5E5

Deuteranopia (green-blind)

#A6B7E4

Tritanopia (blue-blind)

#00D4D3

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63cbe4;
/* rgb */ color: rgb(99, 203, 228);
/* oklch */ color: oklch(79.0% 0.102 215.7);

Tailwind

colors: {
  custom: {
    50: '#9adbec',
    500: '#63cbe4',
    950: '#000000',
  },
}

SCSS

$custom: #63cbe4;
$custom-light: #9adbec;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbe4",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 228
  },
  "hsl": {
    "h": 191.628,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.78965,
    "c": 0.1022,
    "h": 215.7
  },
  "luminance": 0.50966
}

Semantic roles & 50–950 ramp

primary

#63CBE4

secondary

#B0523C

accent

#3813D3

background

#FCFEFE

surface

#F5FBFD

border

#CFD4D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #63CBE4

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

Preview Lab → · Contrast checker → · Palette generator →