#63A6F3#63A6F3

#63A6F3 is a light, vivid cyan. Relative luminance 0.364; OKLCH L 71.4% C 0.132 H 253.1°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#63A6F3
RGB	rgb(99, 166, 243)
HSL	hsl(212, 86%, 67%)
HSV	hsv(212, 59%, 95%)
CMYK	cmyk(59.3%, 31.7%, 0%, 4.7%)
CIE-LAB	lab(66.82, 1.25, -44.88)
CIE-LCH	lch(66.82, 44.89, 271.59°)
OKLab	oklab(71.36% -0.0386 -0.1267)
OKLCH	oklch(71.36% 0.132 253.1)
XYZ	xyz(34.9537, 36.3930, 89.9592)
Luminance	0.3640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6F3 #F3B063

analogous

#63EEF3 #63A6F3 #6863F3

triadic

#63A6F3 #F363A6 #A6F363

tetradic

#63A6F3 #F363EE #F3B063 #63F368

square

#63A6F3 #F363EE #F3B063 #63F368

split-complementary

#63A6F3 #F36863 #EEF363

monochromatic

#1067CC #2A86EF #63A6F3 #9CC6F7 #D5E7FC

Accessibility & contrast

On white

2.54

#63A6F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#63A6F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6F3

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6F3	#FFFFFF	#000000	##000000
##63A6F3	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86AAF6

Deuteranopia (green-blind)

#729CF1

Tritanopia (blue-blind)

#00B8C2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a6f3;
/* rgb */ color: rgb(99, 166, 243);
/* oklch */ color: oklch(71.4% 0.132 253.1);

Tailwind

colors: {
  custom: {
    50: '#9ac0f7',
    500: '#63a6f3',
    950: '#000000',
  },
}

SCSS

$custom: #63a6f3;
$custom-light: #9ac0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6f3",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 243
  },
  "hsl": {
    "h": 212.083,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.71359,
    "c": 0.13245,
    "h": 253.1
  },
  "luminance": 0.36396
}

Semantic roles & 50–950 ramp

primary

#63A6F3

secondary

#F0DAC2

accent

#7A03E2

background

#FAFBFF

surface

#F3F7FF

border

#CDD0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A6F3

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

Preview Lab → · Contrast checker → · Palette generator →