#63B2F9#63B2F9

#63B2F9 is a light, vivid cyan. Relative luminance 0.413; OKLCH L 74.3% C 0.130 H 247.6°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#63B2F9
RGB	rgb(99, 178, 249)
HSL	hsl(208, 93%, 68%)
HSV	hsv(208, 60%, 98%)
CMYK	cmyk(60.2%, 28.5%, 0%, 2.4%)
CIE-LAB	lab(70.41, -3.59, -42.52)
CIE-LCH	lch(70.41, 42.67, 265.18°)
OKLab	oklab(74.26% -0.0494 -0.1198)
OKLCH	oklch(74.26% 0.13 247.6)
XYZ	xyz(38.1586, 41.3294, 95.5706)
Luminance	0.4133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2F9 #F9AA63

analogous

#63F9F5 #63B2F9 #6367F9

triadic

#63B2F9 #F963B2 #B2F963

tetradic

#63B2F9 #F563F9 #F9AA63 #67F963

square

#63B2F9 #F563F9 #F9AA63 #67F963

split-complementary

#63B2F9 #F96367 #F9F563

monochromatic

#0876D9 #2895F7 #63B2F9 #9ECFFB #D9ECFE

Accessibility & contrast

On white

2.27

#63B2F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#63B2F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2F9

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2F9	#FFFFFF	#000000	##000000
##63B2F9	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B4FC

Deuteranopia (green-blind)

#7FA6F8

Tritanopia (blue-blind)

#00C3CB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b2f9;
/* rgb */ color: rgb(99, 178, 249);
/* oklch */ color: oklch(74.3% 0.130 247.6);

Tailwind

colors: {
  custom: {
    50: '#9bc8fb',
    500: '#63b2f9',
    950: '#000000',
  },
}

SCSS

$custom: #63b2f9;
$custom-light: #9bc8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2f9",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 249
  },
  "hsl": {
    "h": 208.4,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.74264,
    "c": 0.12954,
    "h": 247.6
  },
  "luminance": 0.41333
}

Semantic roles & 50–950 ramp

primary

#63B2F9

secondary

#F3DBC5

accent

#6D00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2F9

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

Preview Lab → · Contrast checker → · Palette generator →