#63D7F9#63D7F9

#63D7F9 is a very light, moderate cyan. Relative luminance 0.581; OKLCH L 82.5% C 0.114 H 220.0°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#63D7F9
RGB	rgb(99, 215, 249)
HSL	hsl(194, 93%, 68%)
HSV	hsv(194, 60%, 98%)
CMYK	cmyk(60.2%, 13.7%, 0%, 2.4%)
CIE-LAB	lab(80.79, -23.10, -26.46)
CIE-LCH	lch(80.79, 35.13, 228.88°)
OKLab	oklab(82.51% -0.0876 -0.0736)
OKLCH	oklch(82.51% 0.114 220)
XYZ	xyz(46.5381, 58.0884, 98.3638)
Luminance	0.5809 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D7F9 #F98563

analogous

#63F9D0 #63D7F9 #638CF9

triadic

#63D7F9 #F963D7 #D7F963

tetradic

#63D7F9 #D063F9 #F98563 #8CF963

square

#63D7F9 #D063F9 #F98563 #8CF963

split-complementary

#63D7F9 #F9638C #F9D063

monochromatic

#08AAD9 #28C8F7 #63D7F9 #9EE6FB #D9F5FE

Accessibility & contrast

On white

1.66

#63D7F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#63D7F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D7F9

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D7F9	#FFFFFF	#000000	##000000
##63D7F9	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D2FB

Deuteranopia (green-blind)

#ACC2F9

Tritanopia (blue-blind)

#00E2E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d7f9;
/* rgb */ color: rgb(99, 215, 249);
/* oklch */ color: oklch(82.5% 0.114 220.0);

Tailwind

colors: {
  custom: {
    50: '#9de3fb',
    500: '#63d7f9',
    950: '#000000',
  },
}

SCSS

$custom: #63d7f9;
$custom-light: #9de3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63d7f9",
  "rgb": {
    "r": 99,
    "g": 215,
    "b": 249
  },
  "hsl": {
    "h": 193.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.82513,
    "c": 0.11441,
    "h": 220
  },
  "luminance": 0.58093
}

Semantic roles & 50–950 ramp

primary

#63D7F9

secondary

#D2532E

accent

#3400E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D7F9

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

Preview Lab → · Contrast checker → · Palette generator →