#373AC1#373AC1

#373AC1 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.3% C 0.204 H 273.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#373AC1
RGB	rgb(55, 58, 193)
HSL	hsl(239, 56%, 49%)
HSV	hsv(239, 72%, 76%)
CMYK	cmyk(71.5%, 69.9%, 0%, 24.3%)
CIE-LAB	lab(33.32, 43.09, -70.54)
CIE-LCH	lch(33.32, 82.66, 301.42°)
OKLab	oklab(44.32% 0.0119 -0.204)
OKLCH	oklch(44.32% 0.204 273.3)
XYZ	xyz(12.7110, 7.6873, 51.2557)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.13

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373AC1 #C1BE37

analogous

#377FC1 #373AC1 #7937C1

triadic

#373AC1 #C1373A #3AC137

tetradic

#373AC1 #C1377F #C1BE37 #37C179

square

#373AC1 #C1377F #C1BE37 #37C179

split-complementary

#373AC1 #C17937 #7FC137

monochromatic

#1C1D62 #292C91 #373AC1 #6365D2 #9294E0

Accessibility & contrast

On white

8.27

#373AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#373AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373AC1

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373AC1	#FFFFFF	#000000	##FFFFFF
##373AC1	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C5

Deuteranopia (green-blind)

#0048BF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #373ac1;
/* rgb */ color: rgb(55, 58, 193);
/* oklch */ color: oklch(44.3% 0.204 273.3);

Tailwind

colors: {
  custom: {
    50: '#8271d5',
    500: '#373ac1',
    950: '#000000',
  },
}

SCSS

$custom: #373ac1;
$custom-light: #8271d5;
$custom-dark: #000000;

JSON

{
  "hex": "#373ac1",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 238.696,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44318,
    "c": 0.20433,
    "h": 273.3
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#373AC1

secondary

#CBCA89

accent

#DC49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373AC1

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

Preview Lab → · Contrast checker → · Palette generator →