#6373F4#6373F4

#6373F4 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 61.1% C 0.192 H 274.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#6373F4
RGB	rgb(99, 115, 244)
HSL	hsl(233, 87%, 67%)
HSV	hsv(233, 59%, 96%)
CMYK	cmyk(59.4%, 52.9%, 0%, 4.3%)
CIE-LAB	lab(53.43, 31.83, -66.77)
CIE-LCH	lch(53.43, 73.96, 295.49°)
OKLab	oklab(61.09% 0.0132 -0.1914)
OKLCH	oklch(61.09% 0.192 274)
XYZ	xyz(27.6001, 21.4436, 88.2550)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6373F4 #F4E463

analogous

#63BCF4 #6373F4 #9B63F4

triadic

#6373F4 #F46373 #73F463

tetradic

#6373F4 #F463BC #F4E463 #63F49B

square

#6373F4 #F463BC #F4E463 #63F49B

split-complementary

#6373F4 #F49B63 #BCF463

monochromatic

#0F24CE #2A40F0 #6373F4 #9CA6F8 #D5DAFC

Accessibility & contrast

On white

3.97

#6373F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#6373F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6373F4

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6373F4	#FFFFFF	#000000	##000000
##6373F4	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2086F8

Deuteranopia (green-blind)

#007AF1

Tritanopia (blue-blind)

#0091A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6373f4;
/* rgb */ color: rgb(99, 115, 244);
/* oklch */ color: oklch(61.1% 0.192 274.0);

Tailwind

colors: {
  custom: {
    50: '#9c9bf9',
    500: '#6373f4',
    950: '#000000',
  },
}

SCSS

$custom: #6373f4;
$custom-light: #9c9bf9;
$custom-dark: #000000;

JSON

{
  "hex": "#6373f4",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 244
  },
  "hsl": {
    "h": 233.379,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.61088,
    "c": 0.19188,
    "h": 274
  },
  "luminance": 0.21446
}

Semantic roles & 50–950 ramp

primary

#6373F4

secondary

#F0EBC3

accent

#CB02E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6373F4

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

Preview Lab → · Contrast checker → · Palette generator →