#373CBD#373CBD

#373CBD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.3% C 0.197 H 273.3°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#373CBD
RGB	rgb(55, 60, 189)
HSL	hsl(238, 55%, 48%)
HSV	hsv(238, 71%, 74%)
CMYK	cmyk(70.9%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(33.39, 40.54, -68.09)
CIE-LCH	lch(33.39, 79.24, 300.77°)
OKLab	oklab(44.25% 0.0112 -0.1968)
OKLCH	oklch(44.25% 0.197 273.3)
XYZ	xyz(12.3736, 7.7169, 48.9716)
Luminance	0.0772 (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

#373CBD #BDB837

analogous

#377FBD #373CBD #7537BD

triadic

#373CBD #BD373C #3CBD37

tetradic

#373CBD #BD377F #BDB837 #37BD75

square

#373CBD #BD377F #BDB837 #37BD75

split-complementary

#373CBD #BD7537 #7FBD37

monochromatic

#1B1E5E #292D8E #373CBD #6065D1 #9093DF

Accessibility & contrast

On white

8.26

#373CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#373CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CBD

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CBD	#FFFFFF	#000000	##FFFFFF
##373CBD	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #373cbd;
/* rgb */ color: rgb(55, 60, 189);
/* oklch */ color: oklch(44.3% 0.197 273.3);

Tailwind

colors: {
  custom: {
    50: '#8172d2',
    500: '#373cbd',
    950: '#000000',
  },
}

SCSS

$custom: #373cbd;
$custom-light: #8172d2;
$custom-dark: #000000;

JSON

{
  "hex": "#373cbd",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 237.761,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4425,
    "c": 0.19713,
    "h": 273.3
  },
  "luminance": 0.07718
}

Semantic roles & 50–950 ramp

primary

#373CBD

secondary

#C9C786

accent

#D94ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373CBD

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

Preview Lab → · Contrast checker → · Palette generator →