#63A3FA#63A3FA

#63A3FA is a light, vivid cyan. Relative luminance 0.357; OKLCH L 71.1% C 0.144 H 256.5°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#63A3FA
RGB	rgb(99, 163, 250)
HSL	hsl(215, 94%, 68%)
HSV	hsv(215, 60%, 98%)
CMYK	cmyk(60.4%, 34.8%, 0%, 2%)
CIE-LAB	lab(66.33, 5.20, -49.47)
CIE-LCH	lch(66.33, 49.75, 276.00°)
OKLab	oklab(71.08% -0.0336 -0.1401)
OKLCH	oklch(71.08% 0.144 256.5)
XYZ	xyz(35.4920, 35.7459, 95.4532)
Luminance	0.3575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3FA #FABA63

analogous

#63EEFA #63A3FA #6E63FA

triadic

#63A3FA #FA63A3 #A3FA63

tetradic

#63A3FA #FA63EE #FABA63 #63FA6E

square

#63A3FA #FA63EE #FABA63 #63FA6E

split-complementary

#63A3FA #FA6E63 #EEFA63

monochromatic

#0761DC #2880F8 #63A3FA #9EC6FC #DAE9FE

Accessibility & contrast

On white

2.58

#63A3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#63A3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3FA

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3FA	#FFFFFF	#000000	##000000
##63A3FA	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA9FE

Deuteranopia (green-blind)

#6A9BF8

Tritanopia (blue-blind)

#00B7C3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a3fa;
/* rgb */ color: rgb(99, 163, 250);
/* oklch */ color: oklch(71.1% 0.144 256.5);

Tailwind

colors: {
  custom: {
    50: '#9bbdfc',
    500: '#63a3fa',
    950: '#000000',
  },
}

SCSS

$custom: #63a3fa;
$custom-light: #9bbdfc;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3fa",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 250
  },
  "hsl": {
    "h": 214.57,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.71081,
    "c": 0.14412,
    "h": 256.5
  },
  "luminance": 0.35749
}

Semantic roles & 50–950 ramp

primary

#63A3FA

secondary

#F3E0C6

accent

#8400E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3FA

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

Preview Lab → · Contrast checker → · Palette generator →