#63D2FB#63D2FB

#63D2FB is a light, moderate cyan. Relative luminance 0.557; OKLCH L 81.5% C 0.116 H 225.3°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#63D2FB
RGB	rgb(99, 210, 251)
HSL	hsl(196, 95%, 69%)
HSV	hsv(196, 61%, 98%)
CMYK	cmyk(60.6%, 16.3%, 0%, 1.6%)
CIE-LAB	lab(79.45, -19.99, -29.58)
CIE-LCH	lch(79.45, 35.70, 235.95°)
OKLab	oklab(81.46% -0.0817 -0.0825)
OKLCH	oklch(81.46% 0.116 225.3)
XYZ	xyz(45.5979, 55.7063, 99.5974)
Luminance	0.5571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D2FB #FB8C63

analogous

#63FBD8 #63D2FB #6386FB

triadic

#63D2FB #FB63D2 #D2FB63

tetradic

#63D2FB #D863FB #FB8C63 #86FB63

square

#63D2FB #D863FB #FB8C63 #86FB63

split-complementary

#63D2FB #FB6386 #FBD863

monochromatic

#06A4DE #27C1F9 #63D2FB #9FE3FD #DAF4FE

Accessibility & contrast

On white

1.73

#63D2FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#63D2FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D2FB

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D2FB	#FFFFFF	#000000	##000000
##63D2FB	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCEFD

Deuteranopia (green-blind)

#A6BEFB

Tritanopia (blue-blind)

#00DEDF

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #63d2fb;
/* rgb */ color: rgb(99, 210, 251);
/* oklch */ color: oklch(81.5% 0.116 225.3);

Tailwind

colors: {
  custom: {
    50: '#9ce0fc',
    500: '#63d2fb',
    950: '#000000',
  },
}

SCSS

$custom: #63d2fb;
$custom-light: #9ce0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63d2fb",
  "rgb": {
    "r": 99,
    "g": 210,
    "b": 251
  },
  "hsl": {
    "h": 196.184,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.81463,
    "c": 0.1161,
    "h": 225.3
  },
  "luminance": 0.55711
}

Semantic roles & 50–950 ramp

primary

#63D2FB

secondary

#D55B2D

accent

#3E00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D2FB

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

Preview Lab → · Contrast checker → · Palette generator →