#63BDE6#63BDE6

#63BDE6 is a light, moderate cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.104 H 229.9°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#63BDE6
RGB	rgb(99, 189, 230)
HSL	hsl(199, 72%, 65%)
HSV	hsv(199, 57%, 90%)
CMYK	cmyk(57%, 17.8%, 0%, 9.8%)
CIE-LAB	lab(72.73, -15.35, -28.61)
CIE-LCH	lch(72.73, 32.47, 241.78°)
OKLab	oklab(75.85% -0.0672 -0.0797)
OKLCH	oklch(75.85% 0.104 229.9)
XYZ	xyz(37.6207, 44.7575, 81.5041)
Luminance	0.4476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BDE6 #E68C63

analogous

#63E6CE #63BDE6 #637BE6

triadic

#63BDE6 #E663BD #BDE663

tetradic

#63BDE6 #CE63E6 #E68C63 #7BE663

square

#63BDE6 #CE63E6 #E68C63 #7BE663

split-complementary

#63BDE6 #E6637B #E6CE63

monochromatic

#1D83B2 #2EA7DE #63BDE6 #98D3EE #CCEAF7

Accessibility & contrast

On white

2.11

#63BDE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#63BDE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BDE6

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BDE6	#FFFFFF	#000000	##000000
##63BDE6	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BAE8

Deuteranopia (green-blind)

#96ACE5

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bde6;
/* rgb */ color: rgb(99, 189, 230);
/* oklch */ color: oklch(75.9% 0.104 229.9);

Tailwind

colors: {
  custom: {
    50: '#99d1ee',
    500: '#63bde6',
    950: '#000000',
  },
}

SCSS

$custom: #63bde6;
$custom-light: #99d1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#63bde6",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 230
  },
  "hsl": {
    "h": 198.779,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.75854,
    "c": 0.10427,
    "h": 229.9
  },
  "luminance": 0.44761
}

Semantic roles & 50–950 ramp

primary

#63BDE6

secondary

#E9CABC

accent

#4E11D4

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BDE6

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

Preview Lab → · Contrast checker → · Palette generator →