#373ABE#373ABE

#373ABE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.0% C 0.201 H 273.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#373ABE
RGB	rgb(55, 58, 190)
HSL	hsl(239, 55%, 48%)
HSV	hsv(239, 71%, 75%)
CMYK	cmyk(71.1%, 69.5%, 0%, 25.5%)
CIE-LAB	lab(33.04, 42.08, -69.25)
CIE-LCH	lch(33.04, 81.03, 301.29°)
OKLab	oklab(44.03% 0.0123 -0.2002)
OKLCH	oklch(44.03% 0.201 273.5)
XYZ	xyz(12.3798, 7.5548, 49.5110)
Luminance	0.0756 (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

#373ABE #BEBB37

analogous

#377DBE #373ABE #7837BE

triadic

#373ABE #BE373A #3ABE37

tetradic

#373ABE #BE377D #BEBB37 #37BE78

square

#373ABE #BE377D #BEBB37 #37BE78

split-complementary

#373ABE #BE7837 #7DBE37

monochromatic

#1C1D5F #292C8F #373ABE #6163D1 #9092DF

Accessibility & contrast

On white

8.36

#373ABE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#373ABE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ABE

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ABE	#FFFFFF	#000000	##FFFFFF
##373ABE	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #373abe;
/* rgb */ color: rgb(55, 58, 190);
/* oklch */ color: oklch(44.0% 0.201 273.5);

Tailwind

colors: {
  custom: {
    50: '#8171d3',
    500: '#373abe',
    950: '#000000',
  },
}

SCSS

$custom: #373abe;
$custom-light: #8171d3;
$custom-dark: #000000;

JSON

{
  "hex": "#373abe",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 190
  },
  "hsl": {
    "h": 238.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44027,
    "c": 0.20059,
    "h": 273.5
  },
  "luminance": 0.07556
}

Semantic roles & 50–950 ramp

primary

#373ABE

secondary

#CAC887

accent

#DB49DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373ABE

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

Preview Lab → · Contrast checker → · Palette generator →