#6367CB#6367CB

#6367CB is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.0% C 0.152 H 278.6°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#6367CB
RGB	rgb(99, 103, 203)
HSL	hsl(238, 50%, 59%)
HSV	hsv(238, 51%, 80%)
CMYK	cmyk(51.2%, 49.3%, 0%, 20.4%)
CIE-LAB	lab(47.83, 26.03, -52.63)
CIE-LCH	lch(47.83, 58.72, 296.31°)
OKLab	oklab(56.05% 0.0226 -0.15)
OKLCH	oklch(56.05% 0.152 278.6)
XYZ	xyz(20.7720, 16.6637, 58.6102)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6367CB #CBC763

analogous

#639BCB #6367CB #9363CB

triadic

#6367CB #CB6367 #67CB63

tetradic

#6367CB #CB639B #CBC763 #63CB93

square

#6367CB #CB639B #CBC763 #63CB93

split-complementary

#6367CB #CB9363 #9BCB63

monochromatic

#2D3087 #3C41B5 #6367CB #9194DA #BFC0EA

Accessibility & contrast

On white

4.85

#6367CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#6367CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6367CB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6367CB	#FFFFFF	#000000	##FFFFFF
##6367CB	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3876CF

Deuteranopia (green-blind)

#2D6EC9

Tritanopia (blue-blind)

#387D8F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #6367cb;
/* rgb */ color: rgb(99, 103, 203);
/* oklch */ color: oklch(56.0% 0.152 278.6);

Tailwind

colors: {
  custom: {
    50: '#9692db',
    500: '#6367cb',
    950: '#000000',
  },
}

SCSS

$custom: #6367cb;
$custom-light: #9692db;
$custom-dark: #000000;

JSON

{
  "hex": "#6367cb",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 203
  },
  "hsl": {
    "h": 237.692,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.56045,
    "c": 0.15167,
    "h": 278.6
  },
  "luminance": 0.16665
}

Semantic roles & 50–950 ramp

primary

#6367CB

secondary

#D9D8B1

accent

#D44EDA

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0D15

muted

#7E7D83

Preview Lab

Preview with #6367CB

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

Preview Lab → · Contrast checker → · Palette generator →