#63BBDE#63BBDE

#63BBDE is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.098 H 226.3°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#63BBDE
RGB	rgb(99, 187, 222)
HSL	hsl(197, 65%, 63%)
HSV	hsv(197, 55%, 87%)
CMYK	cmyk(55.4%, 15.8%, 0%, 12.9%)
CIE-LAB	lab(71.87, -16.66, -25.59)
CIE-LCH	lch(71.87, 30.53, 236.93°)
OKLab	oklab(75.07% -0.0679 -0.0711)
OKLCH	oklch(75.07% 0.098 226.3)
XYZ	xyz(36.0957, 43.4639, 75.5803)
Luminance	0.4347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBDE #DE8663

analogous

#63DEC3 #63BBDE #637DDE

triadic

#63BBDE #DE63BB #BBDE63

tetradic

#63BBDE #C363DE #DE8663 #7DDE63

square

#63BBDE #C363DE #DE8663 #7DDE63

split-complementary

#63BBDE #DE637D #DEC363

monochromatic

#237FA4 #30A5D3 #63BBDE #96D1E9 #C8E7F3

Accessibility & contrast

On white

2.17

#63BBDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#63BBDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBDE

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBDE	#FFFFFF	#000000	##000000
##63BBDE	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B8E0

Deuteranopia (green-blind)

#96AADE

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bbde;
/* rgb */ color: rgb(99, 187, 222);
/* oklch */ color: oklch(75.1% 0.098 226.3);

Tailwind

colors: {
  custom: {
    50: '#98cfe8',
    500: '#63bbde',
    950: '#000000',
  },
}

SCSS

$custom: #63bbde;
$custom-light: #98cfe8;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbde",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 222
  },
  "hsl": {
    "h": 197.073,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75069,
    "c": 0.09835,
    "h": 226.3
  },
  "luminance": 0.43467
}

Semantic roles & 50–950 ramp

primary

#63BBDE

secondary

#E5C5B8

accent

#4C19CD

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63BBDE

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

Preview Lab → · Contrast checker → · Palette generator →