#373ED6#373ED6

#373ED6 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.0% C 0.226 H 271.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#373ED6
RGB	rgb(55, 62, 214)
HSL	hsl(237, 66%, 53%)
HSV	hsv(237, 74%, 84%)
CMYK	cmyk(74.3%, 71%, 0%, 16.1%)
CIE-LAB	lab(36.20, 47.78, -78.02)
CIE-LCH	lch(36.20, 91.49, 301.49°)
OKLab	oklab(46.99% 0.0069 -0.2258)
OKLCH	oklch(46.99% 0.226 271.7)
XYZ	xyz(15.4317, 9.1109, 64.5506)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373ED6 #D6CF37

analogous

#378ED6 #373ED6 #7F37D6

triadic

#373ED6 #D6373E #3ED637

tetradic

#373ED6 #D6378E #D6CF37 #37D67F

square

#373ED6 #D6378E #D6CF37 #37D67F

split-complementary

#373ED6 #D67F37 #8ED637

monochromatic

#191D7A #2329AC #373ED6 #6A6FE0 #9DA0EB

Accessibility & contrast

On white

7.44

#373ED6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#373ED6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ED6

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ED6	#FFFFFF	#000000	##FFFFFF
##373ED6	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDB

Deuteranopia (green-blind)

#004DD3

Tritanopia (blue-blind)

#006986

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #373ed6;
/* rgb */ color: rgb(55, 62, 214);
/* oklch */ color: oklch(47.0% 0.226 271.7);

Tailwind

colors: {
  custom: {
    50: '#8674e4',
    500: '#373ed6',
    950: '#000000',
  },
}

SCSS

$custom: #373ed6;
$custom-light: #8674e4;
$custom-dark: #000000;

JSON

{
  "hex": "#373ed6",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 214
  },
  "hsl": {
    "h": 237.358,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46992,
    "c": 0.2259,
    "h": 271.7
  },
  "luminance": 0.09113
}

Semantic roles & 50–950 ramp

primary

#373ED6

secondary

#D7D492

accent

#E13FE9

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #373ED6

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

Preview Lab → · Contrast checker → · Palette generator →