#373ABA#373ABA

#373ABA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.196 H 273.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#373ABA
RGB	rgb(55, 58, 186)
HSL	hsl(239, 54%, 47%)
HSV	hsv(239, 70%, 73%)
CMYK	cmyk(70.4%, 68.8%, 0%, 27.1%)
CIE-LAB	lab(32.66, 40.72, -67.51)
CIE-LCH	lch(32.66, 78.84, 301.10°)
OKLab	oklab(43.64% 0.0128 -0.1951)
OKLCH	oklch(43.64% 0.196 273.8)
XYZ	xyz(11.9486, 7.3824, 47.2401)
Luminance	0.0738 (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

#373ABA #BAB737

analogous

#377CBA #373ABA #7637BA

triadic

#373ABA #BA373A #3ABA37

tetradic

#373ABA #BA377C #BAB737 #37BA76

square

#373ABA #BA377C #BAB737 #37BA76

split-complementary

#373ABA #BA7637 #7CBA37

monochromatic

#1B1D5C #292B8B #373ABA #5F61D0 #8E90DE

Accessibility & contrast

On white

8.48

#373ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#373ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ABA

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373ABA	#FFFFFF	#000000	##FFFFFF
##373ABA	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0047B8

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #373aba;
/* rgb */ color: rgb(55, 58, 186);
/* oklch */ color: oklch(43.6% 0.196 273.8);

Tailwind

colors: {
  custom: {
    50: '#8071d0',
    500: '#373aba',
    950: '#000000',
  },
}

SCSS

$custom: #373aba;
$custom-light: #8071d0;
$custom-dark: #000000;

JSON

{
  "hex": "#373aba",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 186
  },
  "hsl": {
    "h": 238.626,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43642,
    "c": 0.19554,
    "h": 273.8
  },
  "luminance": 0.07384
}

Semantic roles & 50–950 ramp

primary

#373ABA

secondary

#C8C785

accent

#DA4ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #373ABA

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

Preview Lab → · Contrast checker → · Palette generator →