#63CAF0#63CAF0

#63CAF0 is a light, moderate cyan. Relative luminance 0.512; OKLCH L 79.2% C 0.109 H 225.0°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#63CAF0
RGB	rgb(99, 202, 240)
HSL	hsl(196, 82%, 66%)
HSV	hsv(196, 59%, 94%)
CMYK	cmyk(58.8%, 15.8%, 0%, 5.9%)
CIE-LAB	lab(76.79, -19.15, -27.78)
CIE-LCH	lch(76.79, 33.74, 235.42°)
OKLab	oklab(79.21% -0.0774 -0.0773)
OKLCH	oklch(79.21% 0.109 225)
XYZ	xyz(41.9881, 51.1809, 90.0873)
Luminance	0.5119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CAF0 #F08963

analogous

#63F0D0 #63CAF0 #6384F0

triadic

#63CAF0 #F063CA #CAF063

tetradic

#63CAF0 #D063F0 #F08963 #84F063

square

#63CAF0 #D063F0 #F08963 #84F063

split-complementary

#63CAF0 #F06384 #F0D063

monochromatic

#1395C6 #2BB7EB #63CAF0 #9BDDF5 #D3F0FB

Accessibility & contrast

On white

1.87

#63CAF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#63CAF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CAF0

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CAF0	#FFFFFF	#000000	##000000
##63CAF0	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C6F2

Deuteranopia (green-blind)

#A1B7F0

Tritanopia (blue-blind)

#00D5D6

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #63caf0;
/* rgb */ color: rgb(99, 202, 240);
/* oklch */ color: oklch(79.2% 0.109 225.0);

Tailwind

colors: {
  custom: {
    50: '#9bdaf5',
    500: '#63caf0',
    950: '#000000',
  },
}

SCSS

$custom: #63caf0;
$custom-light: #9bdaf5;
$custom-dark: #000000;

JSON

{
  "hex": "#63caf0",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 240
  },
  "hsl": {
    "h": 196.17,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.79209,
    "c": 0.10942,
    "h": 225
  },
  "luminance": 0.51185
}

Semantic roles & 50–950 ramp

primary

#63CAF0

secondary

#C35B34

accent

#4107DF

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63CAF0

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

Preview Lab → · Contrast checker → · Palette generator →