#63CAF4#63CAF4

#63CAF4 is a light, moderate cyan. Relative luminance 0.514; OKLCH L 79.4% C 0.112 H 227.5°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#63CAF4
RGB	rgb(99, 202, 244)
HSL	hsl(197, 87%, 67%)
HSV	hsv(197, 59%, 96%)
CMYK	cmyk(59.4%, 17.2%, 0%, 4.3%)
CIE-LAB	lab(76.93, -17.97, -29.70)
CIE-LCH	lch(76.93, 34.71, 238.83°)
OKLab	oklab(79.37% -0.076 -0.0828)
OKLCH	oklch(79.37% 0.112 227.5)
XYZ	xyz(42.5889, 51.4212, 93.2513)
Luminance	0.5142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CAF4 #F48D63

analogous

#63F4D5 #63CAF4 #6382F4

triadic

#63CAF4 #F463CA #CAF463

tetradic

#63CAF4 #D563F4 #F48D63 #82F463

square

#63CAF4 #D563F4 #F48D63 #82F463

split-complementary

#63CAF4 #F46382 #F4D563

monochromatic

#0F97CE #2AB7F0 #63CAF4 #9CDDF8 #D5F1FC

Accessibility & contrast

On white

1.86

#63CAF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#63CAF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CAF4

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CAF4	#FFFFFF	#000000	##000000
##63CAF4	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C7F6

Deuteranopia (green-blind)

#9FB7F3

Tritanopia (blue-blind)

#00D6D8

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63caf4;
/* rgb */ color: rgb(99, 202, 244);
/* oklch */ color: oklch(79.4% 0.112 227.5);

Tailwind

colors: {
  custom: {
    50: '#9bdaf8',
    500: '#63caf4',
    950: '#000000',
  },
}

SCSS

$custom: #63caf4;
$custom-light: #9bdaf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63caf4",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 244
  },
  "hsl": {
    "h": 197.379,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.79373,
    "c": 0.11238,
    "h": 227.5
  },
  "luminance": 0.51425
}

Semantic roles & 50–950 ramp

primary

#63CAF4

secondary

#CA5D31

accent

#4302E3

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63CAF4

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

Preview Lab → · Contrast checker → · Palette generator →