#373AC2#373AC2

#373AC2 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.4% C 0.206 H 273.3°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#373AC2
RGB	rgb(55, 58, 194)
HSL	hsl(239, 56%, 49%)
HSV	hsv(239, 72%, 76%)
CMYK	cmyk(71.6%, 70.1%, 0%, 23.9%)
CIE-LAB	lab(33.42, 43.43, -70.97)
CIE-LCH	lch(33.42, 83.20, 301.46°)
OKLab	oklab(44.42% 0.0117 -0.2052)
OKLCH	oklch(44.42% 0.206 273.3)
XYZ	xyz(12.8230, 7.7321, 51.8451)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.12

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373AC2 #C2BF37

analogous

#3780C2 #373AC2 #7A37C2

triadic

#373AC2 #C2373A #3AC237

tetradic

#373AC2 #C23780 #C2BF37 #37C27A

square

#373AC2 #C23780 #C2BF37 #37C27A

split-complementary

#373AC2 #C27A37 #80C237

monochromatic

#1C1D63 #292C92 #373AC2 #6366D3 #9395E0

Accessibility & contrast

On white

8.25

#373AC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#373AC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373AC2

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373AC2	#FFFFFF	#000000	##FFFFFF
##373AC2	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373ac2;
/* rgb */ color: rgb(55, 58, 194);
/* oklch */ color: oklch(44.4% 0.206 273.3);

Tailwind

colors: {
  custom: {
    50: '#8271d6',
    500: '#373ac2',
    950: '#000000',
  },
}

SCSS

$custom: #373ac2;
$custom-light: #8271d6;
$custom-dark: #000000;

JSON

{
  "hex": "#373ac2",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 194
  },
  "hsl": {
    "h": 238.705,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44416,
    "c": 0.20558,
    "h": 273.3
  },
  "luminance": 0.07733
}

Semantic roles & 50–950 ramp

primary

#373AC2

secondary

#CBCA89

accent

#DC49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373AC2

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

Preview Lab → · Contrast checker → · Palette generator →