#63B2F8#63B2F8

#63B2F8 is a light, vivid cyan. Relative luminance 0.413; OKLCH L 74.2% C 0.128 H 247.2°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#63B2F8
RGB	rgb(99, 178, 248)
HSL	hsl(208, 91%, 68%)
HSV	hsv(208, 60%, 97%)
CMYK	cmyk(60.1%, 28.2%, 0%, 2.7%)
CIE-LAB	lab(70.36, -3.90, -42.04)
CIE-LCH	lch(70.36, 42.22, 264.70°)
OKLab	oklab(74.22% -0.0497 -0.1184)
OKLCH	oklch(74.22% 0.128 247.2)
XYZ	xyz(38.0030, 41.2672, 94.7514)
Luminance	0.4127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2F8 #F8A963

analogous

#63F8F4 #63B2F8 #6367F8

triadic

#63B2F8 #F863B2 #B2F863

tetradic

#63B2F8 #F463F8 #F8A963 #67F863

square

#63B2F8 #F463F8 #F8A963 #67F863

split-complementary

#63B2F8 #F86367 #F8F463

monochromatic

#0A76D7 #2895F5 #63B2F8 #9ECFFB #D8ECFD

Accessibility & contrast

On white

2.27

#63B2F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#63B2F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2F8

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2F8	#FFFFFF	#000000	##000000
##63B2F8	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B4FB

Deuteranopia (green-blind)

#80A6F7

Tritanopia (blue-blind)

#00C3CA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b2f8;
/* rgb */ color: rgb(99, 178, 248);
/* oklch */ color: oklch(74.2% 0.128 247.2);

Tailwind

colors: {
  custom: {
    50: '#9bc8fb',
    500: '#63b2f8',
    950: '#000000',
  },
}

SCSS

$custom: #63b2f8;
$custom-light: #9bc8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2f8",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 248
  },
  "hsl": {
    "h": 208.188,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.74216,
    "c": 0.12838,
    "h": 247.2
  },
  "luminance": 0.41271
}

Semantic roles & 50–950 ramp

primary

#63B2F8

secondary

#F2DAC5

accent

#6C00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2F8

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

Preview Lab → · Contrast checker → · Palette generator →