#6379F3#6379F3

#6379F3 is a light, vivid blue. Relative luminance 0.228; OKLCH L 62.1% C 0.183 H 272.3°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#6379F3
RGB	rgb(99, 121, 243)
HSL	hsl(231, 86%, 67%)
HSV	hsv(231, 59%, 95%)
CMYK	cmyk(59.3%, 50.2%, 0%, 4.7%)
CIE-LAB	lab(54.86, 27.87, -63.90)
CIE-LCH	lch(54.86, 69.72, 293.56°)
OKLab	oklab(62.14% 0.0074 -0.1829)
OKLCH	oklch(62.14% 0.183 272.3)
XYZ	xyz(28.1553, 22.7962, 87.6930)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6379F3 #F3DD63

analogous

#63C1F3 #6379F3 #9563F3

triadic

#6379F3 #F36379 #79F363

tetradic

#6379F3 #F363C1 #F3DD63 #63F395

square

#6379F3 #F363C1 #F3DD63 #63F395

split-complementary

#6379F3 #F39563 #C1F363

monochromatic

#102CCC #2A48EF #6379F3 #9CAAF7 #D5DBFC

Accessibility & contrast

On white

3.78

#6379F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#6379F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6379F3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6379F3	#FFFFFF	#000000	##000000
##6379F3	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#368AF7

Deuteranopia (green-blind)

#127DF0

Tritanopia (blue-blind)

#0095AB

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #6379f3;
/* rgb */ color: rgb(99, 121, 243);
/* oklch */ color: oklch(62.1% 0.183 272.3);

Tailwind

colors: {
  custom: {
    50: '#9b9ff8',
    500: '#6379f3',
    950: '#000000',
  },
}

SCSS

$custom: #6379f3;
$custom-light: #9b9ff8;
$custom-dark: #000000;

JSON

{
  "hex": "#6379f3",
  "rgb": {
    "r": 99,
    "g": 121,
    "b": 243
  },
  "hsl": {
    "h": 230.833,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.62144,
    "c": 0.18309,
    "h": 272.3
  },
  "luminance": 0.22798
}

Semantic roles & 50–950 ramp

primary

#6379F3

secondary

#F0E9C2

accent

#C003E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6379F3

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

Preview Lab → · Contrast checker → · Palette generator →