#63A8F4#63A8F4

#63A8F4 is a light, vivid cyan. Relative luminance 0.372; OKLCH L 71.8% C 0.132 H 252.2°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#63A8F4
RGB	rgb(99, 168, 244)
HSL	hsl(211, 87%, 67%)
HSV	hsv(211, 59%, 96%)
CMYK	cmyk(59.4%, 31.1%, 0%, 4.3%)
CIE-LAB	lab(67.42, 0.43, -44.48)
CIE-LCH	lch(67.42, 44.49, 270.55°)
OKLab	oklab(71.84% -0.0404 -0.1255)
OKLCH	oklch(71.84% 0.132 252.2)
XYZ	xyz(35.4715, 37.1863, 90.8788)
Luminance	0.3719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8F4 #F4AF63

analogous

#63F1F4 #63A8F4 #6763F4

triadic

#63A8F4 #F463A8 #A8F463

tetradic

#63A8F4 #F463F1 #F4AF63 #63F467

square

#63A8F4 #F463F1 #F4AF63 #63F467

split-complementary

#63A8F4 #F46763 #F1F463

monochromatic

#0F6ACE #2A88F0 #63A8F4 #9CC8F8 #D5E8FC

Accessibility & contrast

On white

2.49

#63A8F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#63A8F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8F4

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8F4	#FFFFFF	#000000	##000000
##63A8F4	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88ACF7

Deuteranopia (green-blind)

#759EF2

Tritanopia (blue-blind)

#00BAC3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63a8f4;
/* rgb */ color: rgb(99, 168, 244);
/* oklch */ color: oklch(71.8% 0.132 252.2);

Tailwind

colors: {
  custom: {
    50: '#9ac1f8',
    500: '#63a8f4',
    950: '#000000',
  },
}

SCSS

$custom: #63a8f4;
$custom-light: #9ac1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8f4",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 244
  },
  "hsl": {
    "h": 211.448,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.71842,
    "c": 0.13188,
    "h": 252.2
  },
  "luminance": 0.3719
}

Semantic roles & 50–950 ramp

primary

#63A8F4

secondary

#F0DBC3

accent

#7802E3

background

#FAFBFF

surface

#F3F7FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A8F4

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

Preview Lab → · Contrast checker → · Palette generator →