#63D9F5#63D9F5

#63D9F5 is a very light, moderate cyan. Relative luminance 0.589; OKLCH L 82.8% C 0.112 H 215.8°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#63D9F5
RGB	rgb(99, 217, 245)
HSL	hsl(192, 88%, 67%)
HSV	hsv(192, 60%, 96%)
CMYK	cmyk(59.6%, 11.4%, 0%, 3.9%)
CIE-LAB	lab(81.22, -25.25, -23.68)
CIE-LCH	lch(81.22, 34.62, 223.16°)
OKLab	oklab(82.81% -0.0911 -0.0657)
OKLCH	oklch(82.81% 0.112 215.8)
XYZ	xyz(46.4332, 58.8662, 95.2838)
Luminance	0.5887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9F5 #F57F63

analogous

#63F5C8 #63D9F5 #6390F5

triadic

#63D9F5 #F563D9 #D9F563

tetradic

#63D9F5 #C863F5 #F57F63 #90F563

square

#63D9F5 #C863F5 #F57F63 #90F563

split-complementary

#63D9F5 #F56390 #F5C863

monochromatic

#0DABD0 #29CBF1 #63D9F5 #9DE7F9 #D6F5FC

Accessibility & contrast

On white

1.64

#63D9F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#63D9F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9F5

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9F5	#FFFFFF	#000000	##000000
##63D9F5	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D3F7

Deuteranopia (green-blind)

#B0C3F5

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #63d9f5;
/* rgb */ color: rgb(99, 217, 245);
/* oklch */ color: oklch(82.8% 0.112 215.8);

Tailwind

colors: {
  custom: {
    50: '#9ce5f8',
    500: '#63d9f5',
    950: '#000000',
  },
}

SCSS

$custom: #63d9f5;
$custom-light: #9ce5f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9f5",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 245
  },
  "hsl": {
    "h": 191.507,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.82812,
    "c": 0.11239,
    "h": 215.8
  },
  "luminance": 0.58871
}

Semantic roles & 50–950 ramp

primary

#63D9F5

secondary

#CC4E30

accent

#2D01E5

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D9F5

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

Preview Lab → · Contrast checker → · Palette generator →