#372E99#372E99

#372E99 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.167 H 278.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#372E99
RGB	rgb(55, 46, 153)
HSL	hsl(245, 54%, 39%)
HSV	hsv(245, 70%, 60%)
CMYK	cmyk(64.1%, 69.9%, 0%, 40%)
CIE-LAB	lab(26.92, 36.83, -57.10)
CIE-LCH	lch(26.92, 67.95, 302.82°)
OKLab	oklab(38.57% 0.0258 -0.1647)
OKLCH	oklch(38.57% 0.167 278.9)
XYZ	xyz(8.3005, 5.0655, 30.6711)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372E99 #90992E

analogous

#2E5B99 #372E99 #6D2E99

triadic

#372E99 #99372E #2E9937

tetradic

#372E99 #992E5B #90992E #2E996D

square

#372E99 #992E5B #90992E #2E996D

split-complementary

#372E99 #996D2E #5B992E

monochromatic

#15123B #26206A #372E99 #4A3FC5 #776ED3

Accessibility & contrast

On white

10.43

#372E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#372E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372E99

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372E99	#FFFFFF	#000000	##FFFFFF
##372E99	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372e99;
/* rgb */ color: rgb(55, 46, 153);
/* oklch */ color: oklch(38.6% 0.167 278.9);

Tailwind

colors: {
  custom: {
    50: '#7a68b8',
    500: '#372e99',
    950: '#000000',
  },
}

SCSS

$custom: #372e99;
$custom-light: #7a68b8;
$custom-dark: #000000;

JSON

{
  "hex": "#372e99",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 153
  },
  "hsl": {
    "h": 245.047,
    "s": 53.769,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38565,
    "c": 0.1667,
    "h": 278.9
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#372E99

secondary

#B4BB68

accent

#DD4BD1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372E99

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

Preview Lab → · Contrast checker → · Palette generator →