#372B99#372B99

#372B99 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.170 H 279.5°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#372B99
RGB	rgb(55, 43, 153)
HSL	hsl(247, 56%, 38%)
HSV	hsv(247, 72%, 60%)
CMYK	cmyk(64.1%, 71.9%, 0%, 40%)
CIE-LAB	lab(26.27, 38.61, -58.17)
CIE-LCH	lch(26.27, 69.82, 303.58°)
OKLab	oklab(38.1% 0.0281 -0.1678)
OKLCH	oklch(38.1% 0.17 279.5)
XYZ	xyz(8.1874, 4.8393, 30.6334)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B99 #8D992B

analogous

#2B5699 #372B99 #6E2B99

triadic

#372B99 #99372B #2B9937

tetradic

#372B99 #992B56 #8D992B #2B996E

square

#372B99 #992B56 #8D992B #2B996E

split-complementary

#372B99 #996E2B #56992B

monochromatic

#151039 #261E69 #372B99 #493AC8 #7569D5

Accessibility & contrast

On white

10.67

#372B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#372B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B99

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B99	#FFFFFF	#000000	##FFFFFF
##372B99	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #372b99;
/* rgb */ color: rgb(55, 43, 153);
/* oklch */ color: oklch(38.1% 0.170 279.5);

Tailwind

colors: {
  custom: {
    50: '#7a66b8',
    500: '#372b99',
    950: '#000000',
  },
}

SCSS

$custom: #372b99;
$custom-light: #7a66b8;
$custom-dark: #000000;

JSON

{
  "hex": "#372b99",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 153
  },
  "hsl": {
    "h": 246.545,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.381,
    "c": 0.17014,
    "h": 279.5
  },
  "luminance": 0.0484
}

Semantic roles & 50–950 ramp

primary

#372B99

secondary

#B2BC64

accent

#DF48CF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372B99

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

Preview Lab → · Contrast checker → · Palette generator →