#373CA2#373CA2

#373CA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.162 H 274.8°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#373CA2
RGB	rgb(55, 60, 162)
HSL	hsl(237, 49%, 43%)
HSV	hsv(237, 66%, 64%)
CMYK	cmyk(66%, 63%, 0%, 36.5%)
CIE-LAB	lab(31.00, 31.16, -55.90)
CIE-LCH	lch(31.00, 64.00, 299.13°)
OKLab	oklab(41.78% 0.0135 -0.1611)
OKLCH	oklch(41.78% 0.162 274.8)
XYZ	xyz(9.7108, 6.6517, 34.9476)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373CA2 #A29D37

analogous

#3772A2 #373CA2 #6737A2

triadic

#373CA2 #A2373C #3CA237

tetradic

#373CA2 #A23772 #A29D37 #37A267

square

#373CA2 #A23772 #A29D37 #37A267

split-complementary

#373CA2 #A26737 #72A237

monochromatic

#181A47 #272B74 #373CA2 #5257C4 #8084D4

Accessibility & contrast

On white

9.01

#373CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#373CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CA2

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CA2	#FFFFFF	#000000	##FFFFFF
##373CA2	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0044A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #373ca2;
/* rgb */ color: rgb(55, 60, 162);
/* oklch */ color: oklch(41.8% 0.162 274.8);

Tailwind

colors: {
  custom: {
    50: '#7b72be',
    500: '#373ca2',
    950: '#000000',
  },
}

SCSS

$custom: #373ca2;
$custom-light: #7b72be;
$custom-dark: #000000;

JSON

{
  "hex": "#373ca2",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 237.196,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41778,
    "c": 0.16167,
    "h": 274.8
  },
  "luminance": 0.06653
}

Semantic roles & 50–950 ramp

primary

#373CA2

secondary

#BDBA78

accent

#D24FD9

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #373CA2

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

Preview Lab → · Contrast checker → · Palette generator →