#63CAF5#63CAF5

#63CAF5 is a light, moderate cyan. Relative luminance 0.515; OKLCH L 79.4% C 0.113 H 228.1°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#63CAF5
RGB	rgb(99, 202, 245)
HSL	hsl(198, 88%, 67%)
HSV	hsv(198, 60%, 96%)
CMYK	cmyk(59.6%, 17.6%, 0%, 3.9%)
CIE-LAB	lab(76.97, -17.67, -30.18)
CIE-LCH	lch(76.97, 34.97, 239.65°)
OKLab	oklab(79.41% -0.0756 -0.0842)
OKLCH	oklch(79.41% 0.113 228.1)
XYZ	xyz(42.7411, 51.4821, 94.0531)
Luminance	0.5149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CAF5 #F58E63

analogous

#63F5D7 #63CAF5 #6381F5

triadic

#63CAF5 #F563CA #CAF563

tetradic

#63CAF5 #D763F5 #F58E63 #81F563

square

#63CAF5 #D763F5 #F58E63 #81F563

split-complementary

#63CAF5 #F56381 #F5D763

monochromatic

#0D97D0 #29B6F1 #63CAF5 #9DDEF9 #D6F1FC

Accessibility & contrast

On white

1.86

#63CAF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#63CAF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CAF5

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CAF5	#FFFFFF	#000000	##000000
##63CAF5	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C7F7

Deuteranopia (green-blind)

#9FB7F4

Tritanopia (blue-blind)

#00D6D8

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63caf5;
/* rgb */ color: rgb(99, 202, 245);
/* oklch */ color: oklch(79.4% 0.113 228.1);

Tailwind

colors: {
  custom: {
    50: '#9bdaf8',
    500: '#63caf5',
    950: '#000000',
  },
}

SCSS

$custom: #63caf5;
$custom-light: #9bdaf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63caf5",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 245
  },
  "hsl": {
    "h": 197.671,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.79414,
    "c": 0.11315,
    "h": 228.1
  },
  "luminance": 0.51486
}

Semantic roles & 50–950 ramp

primary

#63CAF5

secondary

#CC5E30

accent

#4401E5

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #63CAF5

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

Preview Lab → · Contrast checker → · Palette generator →