#372DB3#372DB3

#372DB3 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.0% C 0.200 H 276.2°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#372DB3
RGB	rgb(55, 45, 179)
HSL	hsl(244, 60%, 44%)
HSV	hsv(244, 75%, 70%)
CMYK	cmyk(69.3%, 74.9%, 0%, 29.8%)
CIE-LAB	lab(29.27, 45.92, -68.94)
CIE-LCH	lch(29.27, 82.83, 303.66°)
OKLab	oklab(41.01% 0.0216 -0.1993)
OKLCH	oklch(41.01% 0.2 276.2)
XYZ	xyz(10.6480, 5.9427, 43.2250)
Luminance	0.0594 (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

#372DB3 #A9B32D

analogous

#2D66B3 #372DB3 #7A2DB3

triadic

#372DB3 #B3372D #2DB337

tetradic

#372DB3 #B32D66 #A9B32D #2DB37A

square

#372DB3 #B32D66 #A9B32D #2DB37A

split-complementary

#372DB3 #B37A2D #66B32D

monochromatic

#191451 #282182 #372DB3 #554BD2 #847CDE

Accessibility & contrast

On white

9.59

#372DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#372DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB3

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB3	#FFFFFF	#000000	##FFFFFF
##372DB3	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372db3;
/* rgb */ color: rgb(55, 45, 179);
/* oklch */ color: oklch(41.0% 0.200 276.2);

Tailwind

colors: {
  custom: {
    50: '#8068cb',
    500: '#372db3',
    950: '#000000',
  },
}

SCSS

$custom: #372db3;
$custom-light: #8068cb;
$custom-dark: #000000;

JSON

{
  "hex": "#372db3",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 179
  },
  "hsl": {
    "h": 244.478,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41009,
    "c": 0.20044,
    "h": 276.2
  },
  "luminance": 0.05944
}

Semantic roles & 50–950 ramp

primary

#372DB3

secondary

#C0C775

accent

#E345D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372DB3

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

Preview Lab → · Contrast checker → · Palette generator →