#63A6F4#63A6F4

#63A6F4 is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.4% C 0.134 H 253.4°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#63A6F4
RGB	rgb(99, 166, 244)
HSL	hsl(212, 87%, 67%)
HSV	hsv(212, 59%, 96%)
CMYK	cmyk(59.4%, 32%, 0%, 4.3%)
CIE-LAB	lab(66.87, 1.56, -45.35)
CIE-LCH	lch(66.87, 45.38, 271.97°)
OKLab	oklab(71.41% -0.0383 -0.1281)
OKLCH	oklch(71.41% 0.134 253.4)
XYZ	xyz(35.1051, 36.4536, 90.7567)
Luminance	0.3646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6F4 #F4B163

analogous

#63EEF4 #63A6F4 #6963F4

triadic

#63A6F4 #F463A6 #A6F463

tetradic

#63A6F4 #F463EE #F4B163 #63F469

square

#63A6F4 #F463EE #F4B163 #63F469

split-complementary

#63A6F4 #F46963 #EEF463

monochromatic

#0F67CE #2A85F0 #63A6F4 #9CC7F8 #D5E7FC

Accessibility & contrast

On white

2.53

#63A6F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#63A6F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F4

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6F4	#FFFFFF	#000000	##000000
##63A6F4	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85AAF7

Deuteranopia (green-blind)

#729CF2

Tritanopia (blue-blind)

#00B8C2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a6f4;
/* rgb */ color: rgb(99, 166, 244);
/* oklch */ color: oklch(71.4% 0.134 253.4);

Tailwind

colors: {
  custom: {
    50: '#9ac0f8',
    500: '#63a6f4',
    950: '#000000',
  },
}

SCSS

$custom: #63a6f4;
$custom-light: #9ac0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6f4",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 244
  },
  "hsl": {
    "h": 212.276,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.7141,
    "c": 0.13369,
    "h": 253.4
  },
  "luminance": 0.36457
}

Semantic roles & 50–950 ramp

primary

#63A6F4

secondary

#F0DBC3

accent

#7B02E3

background

#FAFBFF

surface

#F3F7FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A6F4

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

Preview Lab → · Contrast checker → · Palette generator →