#6368CB#6368CB

#6368CB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.2% C 0.150 H 278.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6368CB
RGB	rgb(99, 104, 203)
HSL	hsl(237, 50%, 59%)
HSV	hsv(237, 51%, 80%)
CMYK	cmyk(51.2%, 48.8%, 0%, 20.4%)
CIE-LAB	lab(48.09, 25.41, -52.23)
CIE-LCH	lch(48.09, 58.08, 295.95°)
OKLab	oklab(56.24% 0.0215 -0.1488)
OKLCH	oklch(56.24% 0.15 278.2)
XYZ	xyz(20.8720, 16.8638, 58.6436)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368CB #CBC663

analogous

#639CCB #6368CB #9263CB

triadic

#6368CB #CB6368 #68CB63

tetradic

#6368CB #CB639C #CBC663 #63CB92

square

#6368CB #CB639C #CBC663 #63CB92

split-complementary

#6368CB #CB9263 #9CCB63

monochromatic

#2D3187 #3C42B5 #6368CB #9194DA #BFC1EA

Accessibility & contrast

On white

4.80

#6368CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#6368CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6368CB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368CB	#FFFFFF	#000000	##FFFFFF
##6368CB	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A76CF

Deuteranopia (green-blind)

#2F6EC9

Tritanopia (blue-blind)

#387E90

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6368cb;
/* rgb */ color: rgb(99, 104, 203);
/* oklch */ color: oklch(56.2% 0.150 278.2);

Tailwind

colors: {
  custom: {
    50: '#9693db',
    500: '#6368cb',
    950: '#000000',
  },
}

SCSS

$custom: #6368cb;
$custom-light: #9693db;
$custom-dark: #000000;

JSON

{
  "hex": "#6368cb",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 237.115,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.56237,
    "c": 0.1503,
    "h": 278.2
  },
  "luminance": 0.16865
}

Semantic roles & 50–950 ramp

primary

#6368CB

secondary

#D9D7B1

accent

#D34EDA

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6368CB

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

Preview Lab → · Contrast checker → · Palette generator →