#373CD6#373CD6

#373CD6 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.7% C 0.228 H 272.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#373CD6
RGB	rgb(55, 60, 214)
HSL	hsl(238, 66%, 53%)
HSV	hsv(238, 74%, 84%)
CMYK	cmyk(74.3%, 72%, 0%, 16.1%)
CIE-LAB	lab(35.79, 48.92, -78.70)
CIE-LCH	lch(35.79, 92.66, 301.87°)
OKLab	oklab(46.7% 0.0078 -0.2278)
OKLCH	oklch(46.7% 0.228 272)
XYZ	xyz(15.3249, 8.8974, 64.5150)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373CD6 #D6D137

analogous

#378CD6 #373CD6 #8137D6

triadic

#373CD6 #D6373C #3CD637

tetradic

#373CD6 #D6378C #D6D137 #37D681

square

#373CD6 #D6378C #D6D137 #37D681

split-complementary

#373CD6 #D68137 #8CD637

monochromatic

#191C7A #2328AC #373CD6 #6A6EE0 #9D9FEB

Accessibility & contrast

On white

7.55

#373CD6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#373CD6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CD6

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CD6	#FFFFFF	#000000	##FFFFFF
##373CD6	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDB

Deuteranopia (green-blind)

#004CD3

Tritanopia (blue-blind)

#006885

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #373cd6;
/* rgb */ color: rgb(55, 60, 214);
/* oklch */ color: oklch(46.7% 0.228 272.0);

Tailwind

colors: {
  custom: {
    50: '#8673e4',
    500: '#373cd6',
    950: '#000000',
  },
}

SCSS

$custom: #373cd6;
$custom-light: #8673e4;
$custom-dark: #000000;

JSON

{
  "hex": "#373cd6",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 214
  },
  "hsl": {
    "h": 238.113,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46698,
    "c": 0.2279,
    "h": 272
  },
  "luminance": 0.08899
}

Semantic roles & 50–950 ramp

primary

#373CD6

secondary

#D7D592

accent

#E43FE9

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #373CD6

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

Preview Lab → · Contrast checker → · Palette generator →