#6367E1#6367E1

#6367E1 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.5% C 0.182 H 277.6°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#6367E1
RGB	rgb(99, 103, 225)
HSL	hsl(238, 68%, 64%)
HSV	hsv(238, 56%, 88%)
CMYK	cmyk(56%, 54.2%, 0%, 11.8%)
CIE-LAB	lab(49.24, 32.99, -62.89)
CIE-LCH	lch(49.24, 71.02, 297.68°)
OKLab	oklab(57.55% 0.0241 -0.1801)
OKLCH	oklch(57.55% 0.182 277.6)
XYZ	xyz(23.5821, 17.7878, 73.4103)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6367E1 #E1DD63

analogous

#63A6E1 #6367E1 #9E63E1

triadic

#6367E1 #E16367 #67E163

tetradic

#6367E1 #E163A6 #E1DD63 #63E19E

square

#6367E1 #E163A6 #E1DD63 #63E19E

split-complementary

#6367E1 #E19E63 #A6E163

monochromatic

#2125A9 #3035D7 #6367E1 #9699EB #CACBF5

Accessibility & contrast

On white

4.61

#6367E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#6367E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6367E1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6367E1	#FFFFFF	#000000	##FFFFFF
##6367E1	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#157AE5

Deuteranopia (green-blind)

#0070DE

Tritanopia (blue-blind)

#1C839A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6367e1;
/* rgb */ color: rgb(99, 103, 225);
/* oklch */ color: oklch(57.5% 0.182 277.6);

Tailwind

colors: {
  custom: {
    50: '#9992eb',
    500: '#6367e1',
    950: '#000000',
  },
}

SCSS

$custom: #6367e1;
$custom-light: #9992eb;
$custom-dark: #000000;

JSON

{
  "hex": "#6367e1",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 225
  },
  "hsl": {
    "h": 238.095,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.57548,
    "c": 0.18174,
    "h": 277.6
  },
  "luminance": 0.17789
}

Semantic roles & 50–950 ramp

primary

#6367E1

secondary

#E6E5BA

accent

#CA16D0

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #6367E1

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

Preview Lab → · Contrast checker → · Palette generator →