#63B4FA#63B4FA

#63B4FA is a light, vivid cyan. Relative luminance 0.422; OKLCH L 74.8% C 0.129 H 246.7°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#63B4FA
RGB	rgb(99, 180, 250)
HSL	hsl(208, 94%, 68%)
HSV	hsv(208, 60%, 98%)
CMYK	cmyk(60.4%, 28%, 0%, 2%)
CIE-LAB	lab(71.00, -4.38, -42.12)
CIE-LCH	lch(71.00, 42.35, 264.07°)
OKLab	oklab(74.75% -0.0511 -0.1186)
OKLCH	oklch(74.75% 0.129 246.7)
XYZ	xyz(38.7158, 42.1936, 96.5278)
Luminance	0.4220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4FA #FAA963

analogous

#63FAF5 #63B4FA #6368FA

triadic

#63B4FA #FA63B4 #B4FA63

tetradic

#63B4FA #F563FA #FAA963 #68FA63

square

#63B4FA #F563FA #FAA963 #68FA63

split-complementary

#63B4FA #FA6368 #FAF563

monochromatic

#0779DC #2897F8 #63B4FA #9ED1FC #DAEDFE

Accessibility & contrast

On white

2.22

#63B4FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#63B4FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4FA

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4FA	#FFFFFF	#000000	##000000
##63B4FA	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B6FD

Deuteranopia (green-blind)

#81A7F9

Tritanopia (blue-blind)

#00C5CC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b4fa;
/* rgb */ color: rgb(99, 180, 250);
/* oklch */ color: oklch(74.8% 0.129 246.7);

Tailwind

colors: {
  custom: {
    50: '#9bcafc',
    500: '#63b4fa',
    950: '#000000',
  },
}

SCSS

$custom: #63b4fa;
$custom-light: #9bcafc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4fa",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 250
  },
  "hsl": {
    "h": 207.815,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.7475,
    "c": 0.12917,
    "h": 246.7
  },
  "luminance": 0.42197
}

Semantic roles & 50–950 ramp

primary

#63B4FA

secondary

#F3DBC6

accent

#6A00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B4FA

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

Preview Lab → · Contrast checker → · Palette generator →