#63B2FF#63B2FF

#63B2FF is a light, vivid cyan. Relative luminance 0.417; OKLCH L 74.6% C 0.137 H 249.6°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#63B2FF
RGB	rgb(99, 178, 255)
HSL	hsl(210, 100%, 69%)
HSV	hsv(210, 61%, 100%)
CMYK	cmyk(61.2%, 30.2%, 0%, 0%)
CIE-LAB	lab(70.67, -1.69, -45.35)
CIE-LCH	lch(70.67, 45.38, 267.87°)
OKLab	oklab(74.56% -0.0476 -0.128)
OKLCH	oklch(74.56% 0.137 249.6)
XYZ	xyz(39.1094, 41.7097, 100.5781)
Luminance	0.4171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2FF #FFB063

analogous

#63FFFE #63B2FF #6364FF

triadic

#63B2FF #FF63B2 #B2FF63

tetradic

#63B2FF #FE63FF #FFB063 #64FF63

square

#63B2FF #FE63FF #FFB063 #64FF63

split-complementary

#63B2FF #FF6364 #FFFE63

monochromatic

#0075E8 #2694FF #63B2FF #A0D0FF #DDEEFF

Accessibility & contrast

On white

2.25

#63B2FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#63B2FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2FF

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2FF	#FFFFFF	#000000	##000000
##63B2FF	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91B5FF

Deuteranopia (green-blind)

#7CA6FD

Tritanopia (blue-blind)

#00C4CD

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #63b2ff;
/* rgb */ color: rgb(99, 178, 255);
/* oklch */ color: oklch(74.6% 0.137 249.6);

Tailwind

colors: {
  custom: {
    50: '#9cc8ff',
    500: '#63b2ff',
    950: '#000000',
  },
}

SCSS

$custom: #63b2ff;
$custom-light: #9cc8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2ff",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 255
  },
  "hsl": {
    "h": 209.615,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.74559,
    "c": 0.13656,
    "h": 249.6
  },
  "luminance": 0.41713
}

Semantic roles & 50–950 ramp

primary

#63B2FF

secondary

#F5DFC8

accent

#7100E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #63B2FF

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

Preview Lab → · Contrast checker → · Palette generator →