#63A4FA#63A4FA

#63A4FA is a light, vivid cyan. Relative luminance 0.361; OKLCH L 71.3% C 0.143 H 256.0°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#63A4FA
RGB	rgb(99, 164, 250)
HSL	hsl(214, 94%, 68%)
HSV	hsv(214, 60%, 98%)
CMYK	cmyk(60.4%, 34.4%, 0%, 2%)
CIE-LAB	lab(66.60, 4.63, -49.04)
CIE-LCH	lch(66.60, 49.26, 275.39°)
OKLab	oklab(71.29% -0.0347 -0.1389)
OKLCH	oklch(71.29% 0.143 256)
XYZ	xyz(35.6702, 36.1024, 95.5126)
Luminance	0.3611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4FA #FAB963

analogous

#63F0FA #63A4FA #6D63FA

triadic

#63A4FA #FA63A4 #A4FA63

tetradic

#63A4FA #FA63F0 #FAB963 #63FA6D

square

#63A4FA #FA63F0 #FAB963 #63FA6D

split-complementary

#63A4FA #FA6D63 #F0FA63

monochromatic

#0763DC #2881F8 #63A4FA #9EC7FC #DAE9FE

Accessibility & contrast

On white

2.55

#63A4FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#63A4FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4FA

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4FA	#FFFFFF	#000000	##000000
##63A4FA	1.00	2.55	8.22	8.22
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FAAFE

Deuteranopia (green-blind)

#6B9BF8

Tritanopia (blue-blind)

#00B8C3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a4fa;
/* rgb */ color: rgb(99, 164, 250);
/* oklch */ color: oklch(71.3% 0.143 256.0);

Tailwind

colors: {
  custom: {
    50: '#9bbefc',
    500: '#63a4fa',
    950: '#000000',
  },
}

SCSS

$custom: #63a4fa;
$custom-light: #9bbefc;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4fa",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 250
  },
  "hsl": {
    "h": 214.172,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.71294,
    "c": 0.14313,
    "h": 256
  },
  "luminance": 0.36106
}

Semantic roles & 50–950 ramp

primary

#63A4FA

secondary

#F3E0C6

accent

#8300E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A4FA

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

Preview Lab → · Contrast checker → · Palette generator →