#63A3ED#63A3ED

#63A3ED is a light, vivid cyan. Relative luminance 0.350; OKLCH L 70.4% C 0.128 H 253.1°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#63A3ED
RGB	rgb(99, 163, 237)
HSL	hsl(212, 79%, 66%)
HSV	hsv(212, 58%, 93%)
CMYK	cmyk(58.2%, 31.2%, 0%, 7.1%)
CIE-LAB	lab(65.72, 1.04, -43.33)
CIE-LCH	lch(65.72, 43.34, 271.38°)
OKLab	oklab(70.41% -0.037 -0.1222)
OKLCH	oklch(70.41% 0.128 253.1)
XYZ	xyz(33.5234, 34.9585, 85.0854)
Luminance	0.3496 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3ED #EDAD63

analogous

#63E8ED #63A3ED #6863ED

triadic

#63A3ED #ED63A3 #A3ED63

tetradic

#63A3ED #ED63E8 #EDAD63 #63ED68

square

#63A3ED #ED63E8 #EDAD63 #63ED68

split-complementary

#63A3ED #ED6863 #E8ED63

monochromatic

#1665C0 #2C83E7 #63A3ED #9AC3F3 #D1E4FA

Accessibility & contrast

On white

2.63

#63A3ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#63A3ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3ED

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3ED	#FFFFFF	#000000	##000000
##63A3ED	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A7F0

Deuteranopia (green-blind)

#729AEB

Tritanopia (blue-blind)

#00B4BD

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a3ed;
/* rgb */ color: rgb(99, 163, 237);
/* oklch */ color: oklch(70.4% 0.128 253.1);

Tailwind

colors: {
  custom: {
    50: '#99bef3',
    500: '#63a3ed',
    950: '#000000',
  },
}

SCSS

$custom: #63a3ed;
$custom-light: #99bef3;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3ed",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 237
  },
  "hsl": {
    "h": 212.174,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.70405,
    "c": 0.12771,
    "h": 253.1
  },
  "luminance": 0.34961
}

Semantic roles & 50–950 ramp

primary

#63A3ED

secondary

#EDD8BF

accent

#7A0ADC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3ED

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

Preview Lab → · Contrast checker → · Palette generator →