#63D8F7#63D8F7

#63D8F7 is a very light, moderate cyan. Relative luminance 0.585; OKLCH L 82.7% C 0.113 H 217.9°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#63D8F7
RGB	rgb(99, 216, 247)
HSL	hsl(193, 90%, 68%)
HSV	hsv(193, 60%, 97%)
CMYK	cmyk(59.9%, 12.6%, 0%, 3.1%)
CIE-LAB	lab(81.00, -24.18, -25.07)
CIE-LCH	lch(81.00, 34.83, 226.04°)
OKLab	oklab(82.66% -0.0894 -0.0697)
OKLCH	oklch(82.66% 0.113 217.9)
XYZ	xyz(46.4832, 58.4751, 96.8148)
Luminance	0.5848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8F7 #F78263

analogous

#63F7CC #63D8F7 #638EF7

triadic

#63D8F7 #F763D8 #D8F763

tetradic

#63D8F7 #CC63F7 #F78263 #8EF763

square

#63D8F7 #CC63F7 #F78263 #8EF763

split-complementary

#63D8F7 #F7638E #F7CC63

monochromatic

#0BAAD5 #29C9F4 #63D8F7 #9DE7FA #D7F5FD

Accessibility & contrast

On white

1.65

#63D8F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#63D8F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8F7

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8F7	#FFFFFF	#000000	##000000
##63D8F7	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D2F9

Deuteranopia (green-blind)

#AEC2F7

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d8f7;
/* rgb */ color: rgb(99, 216, 247);
/* oklch */ color: oklch(82.7% 0.113 217.9);

Tailwind

colors: {
  custom: {
    50: '#9ce4fa',
    500: '#63d8f7',
    950: '#000000',
  },
}

SCSS

$custom: #63d8f7;
$custom-light: #9ce4fa;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8f7",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 247
  },
  "hsl": {
    "h": 192.568,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.82661,
    "c": 0.11332,
    "h": 217.9
  },
  "luminance": 0.5848
}

Semantic roles & 50–950 ramp

primary

#63D8F7

secondary

#CF502F

accent

#3000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D8F7

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

Preview Lab → · Contrast checker → · Palette generator →