#6366FA#6366FA

#6366FA is a mid, highly saturated blue. Relative luminance 0.191; OKLCH L 59.2% C 0.216 H 276.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#6366FA
RGB	rgb(99, 102, 250)
HSL	hsl(239, 94%, 68%)
HSV	hsv(239, 60%, 98%)
CMYK	cmyk(60.4%, 59.2%, 0%, 2%)
CIE-LAB	lab(50.75, 41.55, -74.45)
CIE-LCH	lch(50.75, 85.26, 299.17°)
OKLab	oklab(59.23% 0.0251 -0.2141)
OKLCH	oklch(59.23% 0.216 276.7)
XYZ	xyz(27.1467, 19.0554, 92.6715)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6366FA #FAF763

analogous

#63B1FA #6366FA #AB63FA

triadic

#6366FA #FA6366 #66FA63

tetradic

#6366FA #FA63B1 #FAF763 #63FAAB

square

#6366FA #FA63B1 #FAF763 #63FAAB

split-complementary

#6366FA #FAAB63 #B1FA63

monochromatic

#070BDC #282CF8 #6366FA #9EA0FC #DADAFE

Accessibility & contrast

On white

4.36

#6366FA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#6366FA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6366FA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6366FA	#FFFFFF	#000000	##000000
##6366FA	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FFF

Deuteranopia (green-blind)

#0072F7

Tritanopia (blue-blind)

#008AA6

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6366fa;
/* rgb */ color: rgb(99, 102, 250);
/* oklch */ color: oklch(59.2% 0.216 276.7);

Tailwind

colors: {
  custom: {
    50: '#9d92fd',
    500: '#6366fa',
    950: '#000000',
  },
}

SCSS

$custom: #6366fa;
$custom-light: #9d92fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6366fa",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 250
  },
  "hsl": {
    "h": 238.808,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.59225,
    "c": 0.2156,
    "h": 276.7
  },
  "luminance": 0.19058
}

Semantic roles & 50–950 ramp

primary

#6366FA

secondary

#F3F2C6

accent

#E100E6

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100D18

muted

#7F7D86

Preview Lab

Preview with #6366FA

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

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