#373BD6#373BD6

#373BD6 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.229 H 272.1°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#373BD6
RGB	rgb(55, 59, 214)
HSL	hsl(238, 66%, 53%)
HSV	hsv(238, 74%, 84%)
CMYK	cmyk(74.3%, 72.4%, 0%, 16.1%)
CIE-LAB	lab(35.58, 49.49, -79.03)
CIE-LCH	lch(35.58, 93.25, 302.05°)
OKLab	oklab(46.55% 0.0083 -0.2287)
OKLCH	oklch(46.55% 0.229 272.1)
XYZ	xyz(15.2730, 8.7936, 64.4977)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373BD6 #D6D237

analogous

#378AD6 #373BD6 #8337D6

triadic

#373BD6 #D6373B #3BD637

tetradic

#373BD6 #D6378A #D6D237 #37D683

square

#373BD6 #D6378A #D6D237 #37D683

split-complementary

#373BD6 #D68337 #8AD637

monochromatic

#191B7A #2327AC #373BD6 #6A6DE0 #9D9FEB

Accessibility & contrast

On white

7.61

#373BD6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#373BD6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373BD6

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373BD6	#FFFFFF	#000000	##FFFFFF
##373BD6	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDB

Deuteranopia (green-blind)

#004CD3

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #373bd6;
/* rgb */ color: rgb(55, 59, 214);
/* oklch */ color: oklch(46.6% 0.229 272.1);

Tailwind

colors: {
  custom: {
    50: '#8672e4',
    500: '#373bd6',
    950: '#000000',
  },
}

SCSS

$custom: #373bd6;
$custom-light: #8672e4;
$custom-dark: #000000;

JSON

{
  "hex": "#373bd6",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 214
  },
  "hsl": {
    "h": 238.491,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46553,
    "c": 0.22888,
    "h": 272.1
  },
  "luminance": 0.08795
}

Semantic roles & 50–950 ramp

primary

#373BD6

secondary

#D7D592

accent

#E53FE9

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #373BD6

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

Preview Lab → · Contrast checker → · Palette generator →