#63D5F5#63D5F5

#63D5F5 is a light, moderate cyan. Relative luminance 0.568; OKLCH L 81.9% C 0.112 H 219.1°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#63D5F5
RGB	rgb(99, 213, 245)
HSL	hsl(193, 88%, 67%)
HSV	hsv(193, 60%, 96%)
CMYK	cmyk(59.6%, 13.1%, 0%, 3.9%)
CIE-LAB	lab(80.08, -23.26, -25.41)
CIE-LCH	lch(80.08, 34.45, 227.53°)
OKLab	oklab(81.9% -0.087 -0.0706)
OKLCH	oklch(81.9% 0.112 219.1)
XYZ	xyz(45.4147, 56.8292, 94.9443)
Luminance	0.5683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D5F5 #F58363

analogous

#63F5CC #63D5F5 #638CF5

triadic

#63D5F5 #F563D5 #D5F563

tetradic

#63D5F5 #CC63F5 #F58363 #8CF563

square

#63D5F5 #CC63F5 #F58363 #8CF563

split-complementary

#63D5F5 #F5638C #F5CC63

monochromatic

#0DA6D0 #29C6F1 #63D5F5 #9DE4F9 #D6F4FC

Accessibility & contrast

On white

1.70

#63D5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#63D5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5F5

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D5F5	#FFFFFF	#000000	##000000
##63D5F5	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D0F7

Deuteranopia (green-blind)

#ACC0F5

Tritanopia (blue-blind)

#00E0DF

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #63d5f5;
/* rgb */ color: rgb(99, 213, 245);
/* oklch */ color: oklch(81.9% 0.112 219.1);

Tailwind

colors: {
  custom: {
    50: '#9ce2f8',
    500: '#63d5f5',
    950: '#000000',
  },
}

SCSS

$custom: #63d5f5;
$custom-light: #9ce2f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63d5f5",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 245
  },
  "hsl": {
    "h": 193.151,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.81903,
    "c": 0.11208,
    "h": 219.1
  },
  "luminance": 0.56834
}

Semantic roles & 50–950 ramp

primary

#63D5F5

secondary

#CC5230

accent

#3301E5

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D5F5

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

Preview Lab → · Contrast checker → · Palette generator →