#373ADA#373ADA

#373ADA is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.235 H 272.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#373ADA
RGB	rgb(55, 58, 218)
HSL	hsl(239, 69%, 54%)
HSV	hsv(239, 75%, 85%)
CMYK	cmyk(74.8%, 73.4%, 0%, 14.5%)
CIE-LAB	lab(35.79, 51.34, -80.99)
CIE-LCH	lch(35.79, 95.90, 302.37°)
OKLab	oklab(46.82% 0.0081 -0.2344)
OKLCH	oklch(46.82% 0.235 272)
XYZ	xyz(15.7392, 8.8986, 67.2042)
Luminance	0.0890 (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

#373ADA #DAD737

analogous

#378BDA #373ADA #8537DA

triadic

#373ADA #DA373A #3ADA37

tetradic

#373ADA #DA378B #DAD737 #37DA85

square

#373ADA #DA378B #DAD737 #37DA85

split-complementary

#373ADA #DA8537 #8BDA37

monochromatic

#18197F #2124B3 #373ADA #6B6DE4 #9EA0ED

Accessibility & contrast

On white

7.55

#373ADA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#373ADA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ADA

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ADA	#FFFFFF	#000000	##FFFFFF
##373ADA	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)

#005CDF

Deuteranopia (green-blind)

#004CD7

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #373ada;
/* rgb */ color: rgb(55, 58, 218);
/* oklch */ color: oklch(46.8% 0.235 272.0);

Tailwind

colors: {
  custom: {
    50: '#8772e7',
    500: '#373ada',
    950: '#000000',
  },
}

SCSS

$custom: #373ada;
$custom-light: #8772e7;
$custom-dark: #000000;

JSON

{
  "hex": "#373ada",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 218
  },
  "hsl": {
    "h": 238.896,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.46819,
    "c": 0.23458,
    "h": 272
  },
  "luminance": 0.089
}

Semantic roles & 50–950 ramp

primary

#373ADA

secondary

#D9D893

accent

#E83CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #373ADA

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

Preview Lab → · Contrast checker → · Palette generator →