#372EA0#372EA0

#372EA0 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.176 H 278.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#372EA0
RGB	rgb(55, 46, 160)
HSL	hsl(245, 55%, 40%)
HSV	hsv(245, 71%, 63%)
CMYK	cmyk(65.6%, 71.2%, 0%, 37.3%)
CIE-LAB	lab(27.58, 39.16, -60.29)
CIE-LCH	lch(27.58, 71.89, 303.01°)
OKLab	oklab(39.24% 0.0247 -0.174)
OKLCH	oklch(39.24% 0.176 278.1)
XYZ	xyz(8.8957, 5.3035, 33.8058)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372EA0 #97A02E

analogous

#2E5EA0 #372EA0 #702EA0

triadic

#372EA0 #A0372E #2EA037

tetradic

#372EA0 #A02E5E #97A02E #2EA070

square

#372EA0 #A02E5E #97A02E #2EA070

split-complementary

#372EA0 #A0702E #5EA02E

monochromatic

#161341 #272070 #372EA0 #4D42C9 #7A72D6

Accessibility & contrast

On white

10.19

#372EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#372EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EA0

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EA0	#FFFFFF	#000000	##FFFFFF
##372EA0	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A3

Deuteranopia (green-blind)

#003C9E

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #372ea0;
/* rgb */ color: rgb(55, 46, 160);
/* oklch */ color: oklch(39.2% 0.176 278.1);

Tailwind

colors: {
  custom: {
    50: '#7c68bd',
    500: '#372ea0',
    950: '#000000',
  },
}

SCSS

$custom: #372ea0;
$custom-light: #7c68bd;
$custom-dark: #000000;

JSON

{
  "hex": "#372ea0",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 160
  },
  "hsl": {
    "h": 244.737,
    "s": 55.34,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39242,
    "c": 0.17574,
    "h": 278.1
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary

#372EA0

secondary

#B8BE6C

accent

#DF49D3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372EA0

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

Preview Lab → · Contrast checker → · Palette generator →