#63A3F4#63A3F4

#63A3F4 is a light, vivid cyan. Relative luminance 0.354; OKLCH L 70.8% C 0.137 H 255.1°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#63A3F4
RGB	rgb(99, 163, 244)
HSL	hsl(214, 87%, 67%)
HSV	hsv(214, 59%, 96%)
CMYK	cmyk(59.4%, 33.2%, 0%, 4.3%)
CIE-LAB	lab(66.04, 3.27, -46.65)
CIE-LCH	lch(66.04, 46.76, 274.01°)
OKLab	oklab(70.77% -0.0352 -0.1319)
OKLCH	oklch(70.77% 0.137 255.1)
XYZ	xyz(34.5661, 35.3756, 90.5770)
Luminance	0.3538 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3F4 #F4B463

analogous

#63ECF4 #63A3F4 #6C63F4

triadic

#63A3F4 #F463A3 #A3F463

tetradic

#63A3F4 #F463EC #F4B463 #63F46C

square

#63A3F4 #F463EC #F4B463 #63F46C

split-complementary

#63A3F4 #F46C63 #ECF463

monochromatic

#0F63CE #2A81F0 #63A3F4 #9CC5F8 #D5E6FC

Accessibility & contrast

On white

2.60

#63A3F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#63A3F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3F4

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3F4	#FFFFFF	#000000	##000000
##63A3F4	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A8F7

Deuteranopia (green-blind)

#6E9AF2

Tritanopia (blue-blind)

#00B5C0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63a3f4;
/* rgb */ color: rgb(99, 163, 244);
/* oklch */ color: oklch(70.8% 0.137 255.1);

Tailwind

colors: {
  custom: {
    50: '#9abdf8',
    500: '#63a3f4',
    950: '#000000',
  },
}

SCSS

$custom: #63a3f4;
$custom-light: #9abdf8;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3f4",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 244
  },
  "hsl": {
    "h": 213.517,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.70765,
    "c": 0.13651,
    "h": 255.1
  },
  "luminance": 0.35379
}

Semantic roles & 50–950 ramp

primary

#63A3F4

secondary

#F0DCC3

accent

#8002E3

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A3F4

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

Preview Lab → · Contrast checker → · Palette generator →