#373FC2#373FC2

#373FC2 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.2% C 0.200 H 272.5°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#373FC2
RGB	rgb(55, 63, 194)
HSL	hsl(237, 56%, 49%)
HSV	hsv(237, 72%, 76%)
CMYK	cmyk(71.6%, 67.5%, 0%, 23.9%)
CIE-LAB	lab(34.52, 40.43, -69.16)
CIE-LCH	lch(34.52, 80.11, 300.31°)
OKLab	oklab(45.21% 0.0088 -0.1999)
OKLCH	oklch(45.21% 0.2 272.5)
XYZ	xyz(13.0874, 8.2610, 51.9333)
Luminance	0.0826 (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

#373FC2 #C2BA37

analogous

#3785C2 #373FC2 #7537C2

triadic

#373FC2 #C2373F #3FC237

tetradic

#373FC2 #C23785 #C2BA37 #37C275

square

#373FC2 #C23785 #C2BA37 #37C275

split-complementary

#373FC2 #C27537 #85C237

monochromatic

#1C2063 #293092 #373FC2 #636AD3 #9397E0

Accessibility & contrast

On white

7.92

#373FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#373FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373FC2

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373FC2	#FFFFFF	#000000	##FFFFFF
##373FC2	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C6

Deuteranopia (green-blind)

#004BC0

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #373fc2;
/* rgb */ color: rgb(55, 63, 194);
/* oklch */ color: oklch(45.2% 0.200 272.5);

Tailwind

colors: {
  custom: {
    50: '#8274d6',
    500: '#373fc2',
    950: '#000000',
  },
}

SCSS

$custom: #373fc2;
$custom-light: #8274d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373fc2",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 194
  },
  "hsl": {
    "h": 236.547,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45212,
    "c": 0.20013,
    "h": 272.5
  },
  "luminance": 0.08262
}

Semantic roles & 50–950 ramp

primary

#373FC2

secondary

#CBC889

accent

#D649DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373FC2

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

Preview Lab → · Contrast checker → · Palette generator →