#373ABF#373ABF

#373ABF is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.1% C 0.202 H 273.5°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#373ABF
RGB	rgb(55, 58, 191)
HSL	hsl(239, 55%, 48%)
HSV	hsv(239, 71%, 75%)
CMYK	cmyk(71.2%, 69.6%, 0%, 25.1%)
CIE-LAB	lab(33.13, 42.42, -69.68)
CIE-LCH	lch(33.13, 81.58, 301.33°)
OKLab	oklab(44.12% 0.0122 -0.2015)
OKLCH	oklch(44.12% 0.202 273.5)
XYZ	xyz(12.4894, 7.5987, 50.0886)
Luminance	0.0760 (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

#373ABF #BFBC37

analogous

#377EBF #373ABF #7837BF

triadic

#373ABF #BF373A #3ABF37

tetradic

#373ABF #BF377E #BFBC37 #37BF78

square

#373ABF #BF377E #BFBC37 #37BF78

split-complementary

#373ABF #BF7837 #7EBF37

monochromatic

#1C1D60 #292C8F #373ABF #6264D2 #9193DF

Accessibility & contrast

On white

8.33

#373ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#373ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ABF

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ABF	#FFFFFF	#000000	##FFFFFF
##373ABF	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #373abf;
/* rgb */ color: rgb(55, 58, 191);
/* oklch */ color: oklch(44.1% 0.202 273.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#373abf",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 191
  },
  "hsl": {
    "h": 238.676,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44124,
    "c": 0.20184,
    "h": 273.5
  },
  "luminance": 0.076
}

Semantic roles & 50–950 ramp

primary

#373ABF

secondary

#CAC988

accent

#DB49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373ABF

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

Preview Lab → · Contrast checker → · Palette generator →