#63BFEC#63BFEC

#63BFEC is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.6% C 0.109 H 231.8°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#63BFEC
RGB	rgb(99, 191, 236)
HSL	hsl(200, 78%, 66%)
HSV	hsv(200, 58%, 93%)
CMYK	cmyk(58.1%, 19.1%, 0%, 7.5%)
CIE-LAB	lab(73.52, -14.62, -30.64)
CIE-LCH	lch(73.52, 33.95, 244.50°)
OKLab	oklab(76.56% -0.0672 -0.0855)
OKLCH	oklch(76.56% 0.109 231.8)
XYZ	xyz(38.9109, 45.9667, 86.1625)
Luminance	0.4597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFEC #EC9063

analogous

#63ECD4 #63BFEC #637AEC

triadic

#63BFEC #EC63BF #BFEC63

tetradic

#63BFEC #D463EC #EC9063 #7AEC63

square

#63BFEC #D463EC #EC9063 #7AEC63

split-complementary

#63BFEC #EC637A #ECD463

monochromatic

#1787BE #2CA9E5 #63BFEC #9AD5F3 #D0ECF9

Accessibility & contrast

On white

2.06

#63BFEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#63BFEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFEC

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFEC	#FFFFFF	#000000	##000000
##63BFEC	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BDEE

Deuteranopia (green-blind)

#96AEEB

Tritanopia (blue-blind)

#00CBCE

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63bfec;
/* rgb */ color: rgb(99, 191, 236);
/* oklch */ color: oklch(76.6% 0.109 231.8);

Tailwind

colors: {
  custom: {
    50: '#9ad2f2',
    500: '#63bfec',
    950: '#000000',
  },
}

SCSS

$custom: #63bfec;
$custom-light: #9ad2f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfec",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 236
  },
  "hsl": {
    "h": 199.708,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.76558,
    "c": 0.10876,
    "h": 231.8
  },
  "luminance": 0.4597
}

Semantic roles & 50–950 ramp

primary

#63BFEC

secondary

#ECCEBF

accent

#4F0BDB

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #63BFEC

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

Preview Lab → · Contrast checker → · Palette generator →