#372D8E#372D8E

#372D8E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.153 H 280.6°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#372D8E
RGB	rgb(55, 45, 142)
HSL	hsl(246, 52%, 37%)
HSV	hsv(246, 68%, 56%)
CMYK	cmyk(61.3%, 68.3%, 0%, 44.3%)
CIE-LAB	lab(25.69, 33.76, -52.35)
CIE-LCH	lch(25.69, 62.29, 302.82°)
OKLab	oklab(37.37% 0.0283 -0.1508)
OKLCH	oklch(37.37% 0.153 280.6)
XYZ	xyz(7.3949, 4.6415, 26.0922)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D8E #848E2D

analogous

#2D538E #372D8E #682D8E

triadic

#372D8E #8E372D #2D8E37

tetradic

#372D8E #8E2D53 #848E2D #2D8E68

square

#372D8E #8E2D53 #848E2D #2D8E68

split-complementary

#372D8E #8E682D #538E2D

monochromatic

#131031 #251E60 #372D8E #493CBC #7167CF

Accessibility & contrast

On white

10.89

#372D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#372D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D8E

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D8E	#FFFFFF	#000000	##FFFFFF
##372D8E	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372d8e;
/* rgb */ color: rgb(55, 45, 142);
/* oklch */ color: oklch(37.4% 0.153 280.6);

Tailwind

colors: {
  custom: {
    50: '#7867b0',
    500: '#372d8e',
    950: '#000000',
  },
}

SCSS

$custom: #372d8e;
$custom-light: #7867b0;
$custom-dark: #000000;

JSON

{
  "hex": "#372d8e",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 142
  },
  "hsl": {
    "h": 246.186,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37367,
    "c": 0.15338,
    "h": 280.6
  },
  "luminance": 0.04642
}

Semantic roles & 50–950 ramp

primary

#372D8E

secondary

#ADB561

accent

#DB4CCD

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372D8E

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

Preview Lab → · Contrast checker → · Palette generator →