#6370D0#6370D0

#6370D0 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.147 H 275.1°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#6370D0
RGB	rgb(99, 112, 208)
HSL	hsl(233, 54%, 60%)
HSV	hsv(233, 52%, 82%)
CMYK	cmyk(52.4%, 46.2%, 0%, 18.4%)
CIE-LAB	lab(50.44, 22.08, -51.31)
CIE-LCH	lch(50.44, 55.86, 293.28°)
OKLab	oklab(58.12% 0.013 -0.146)
OKLCH	oklch(58.12% 0.147 275.1)
XYZ	xyz(22.3213, 18.7936, 62.1136)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6370D0 #D0C363

analogous

#63A6D0 #6370D0 #8C63D0

triadic

#6370D0 #D06370 #70D063

tetradic

#6370D0 #D063A6 #D0C363 #63D08C

square

#6370D0 #D063A6 #D0C363 #63D08C

split-complementary

#6370D0 #D08C63 #A6D063

monochromatic

#2B378E #3949BD #6370D0 #929BDE #C1C6EC

Accessibility & contrast

On white

4.41

#6370D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#6370D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6370D0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6370D0	#FFFFFF	#000000	##000000
##6370D0	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#3974CE

Tritanopia (blue-blind)

#328596

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6370d0;
/* rgb */ color: rgb(99, 112, 208);
/* oklch */ color: oklch(58.1% 0.147 275.1);

Tailwind

colors: {
  custom: {
    50: '#9798df',
    500: '#6370d0',
    950: '#000000',
  },
}

SCSS

$custom: #6370d0;
$custom-light: #9798df;
$custom-dark: #000000;

JSON

{
  "hex": "#6370d0",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 208
  },
  "hsl": {
    "h": 232.844,
    "s": 53.695,
    "l": 60.196
  },
  "oklch": {
    "l": 0.58118,
    "c": 0.14659,
    "h": 275.1
  },
  "luminance": 0.18795
}

Semantic roles & 50–950 ramp

primary

#6370D0

secondary

#DCD7B3

accent

#AE24C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #6370D0

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

Preview Lab → · Contrast checker → · Palette generator →