#6367DD#6367DD

#6367DD is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.3% C 0.176 H 277.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#6367DD
RGB	rgb(99, 103, 221)
HSL	hsl(238, 64%, 63%)
HSV	hsv(238, 55%, 87%)
CMYK	cmyk(55.2%, 53.4%, 0%, 13.3%)
CIE-LAB	lab(48.97, 31.72, -61.06)
CIE-LCH	lch(48.97, 68.80, 297.45°)
OKLab	oklab(57.27% 0.0239 -0.1747)
OKLCH	oklch(57.27% 0.176 277.8)
XYZ	xyz(23.0428, 17.5721, 70.5701)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6367DD #DDD963

analogous

#63A4DD #6367DD #9C63DD

triadic

#6367DD #DD6367 #67DD63

tetradic

#6367DD #DD63A4 #DDD963 #63DD9C

square

#6367DD #DD63A4 #DDD963 #63DD9C

split-complementary

#6367DD #DD9C63 #A4DD63

monochromatic

#2328A2 #3136D2 #6367DD #9598E8 #C7C9F3

Accessibility & contrast

On white

4.65

#6367DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#6367DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6367DD

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6367DD	#FFFFFF	#000000	##FFFFFF
##6367DD	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F79E1

Deuteranopia (green-blind)

#006FDB

Tritanopia (blue-blind)

#238298

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6367dd;
/* rgb */ color: rgb(99, 103, 221);
/* oklch */ color: oklch(57.3% 0.176 277.8);

Tailwind

colors: {
  custom: {
    50: '#9992e8',
    500: '#6367dd',
    950: '#000000',
  },
}

SCSS

$custom: #6367dd;
$custom-light: #9992e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6367dd",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 221
  },
  "hsl": {
    "h": 238.033,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.57266,
    "c": 0.17637,
    "h": 277.8
  },
  "luminance": 0.17574
}

Semantic roles & 50–950 ramp

primary

#6367DD

secondary

#E4E3B8

accent

#C619CC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0D16

muted

#7E7D84

Preview Lab

Preview with #6367DD

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

Preview Lab → · Contrast checker → · Palette generator →