#63BDE7#63BDE7

#63BDE7 is a light, moderate cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.105 H 230.5°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#63BDE7
RGB	rgb(99, 189, 231)
HSL	hsl(199, 73%, 65%)
HSV	hsv(199, 57%, 91%)
CMYK	cmyk(57.1%, 18.2%, 0%, 9.4%)
CIE-LAB	lab(72.77, -15.06, -29.09)
CIE-LCH	lch(72.77, 32.76, 242.64°)
OKLab	oklab(75.9% -0.0668 -0.0811)
OKLCH	oklch(75.9% 0.105 230.5)
XYZ	xyz(37.7615, 44.8138, 82.2458)
Luminance	0.4482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDE7 #E78D63

analogous

#63E7CF #63BDE7 #637BE7

triadic

#63BDE7 #E763BD #BDE763

tetradic

#63BDE7 #CF63E7 #E78D63 #7BE763

square

#63BDE7 #CF63E7 #E78D63 #7BE763

split-complementary

#63BDE7 #E7637B #E7CF63

monochromatic

#1C83B4 #2EA7DF #63BDE7 #98D3EF #CDEAF7

Accessibility & contrast

On white

2.11

#63BDE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#63BDE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDE7

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDE7	#FFFFFF	#000000	##000000
##63BDE7	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BAE9

Deuteranopia (green-blind)

#95ACE6

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bde7;
/* rgb */ color: rgb(99, 189, 231);
/* oklch */ color: oklch(75.9% 0.105 230.5);

Tailwind

colors: {
  custom: {
    50: '#99d0ee',
    500: '#63bde7',
    950: '#000000',
  },
}

SCSS

$custom: #63bde7;
$custom-light: #99d0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bde7",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 231
  },
  "hsl": {
    "h": 199.091,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.75896,
    "c": 0.1051,
    "h": 230.5
  },
  "luminance": 0.44817
}

Semantic roles & 50–950 ramp

primary

#63BDE7

secondary

#EACBBC

accent

#4F10D5

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BDE7

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

Preview Lab → · Contrast checker → · Palette generator →