#372B9A#372B9A

#372B9A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.171 H 279.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#372B9A
RGB	rgb(55, 43, 154)
HSL	hsl(246, 56%, 39%)
HSV	hsv(246, 72%, 60%)
CMYK	cmyk(64.3%, 72.1%, 0%, 39.6%)
CIE-LAB	lab(26.37, 38.94, -58.62)
CIE-LCH	lch(26.37, 70.38, 303.60°)
OKLab	oklab(38.2% 0.0279 -0.1691)
OKLCH	oklch(38.2% 0.171 279.4)
XYZ	xyz(8.2703, 4.8724, 31.0702)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B9A #8E9A2B

analogous

#2B569A #372B9A #6E2B9A

triadic

#372B9A #9A372B #2B9A37

tetradic

#372B9A #9A2B56 #8E9A2B #2B9A6E

square

#372B9A #9A2B56 #8E9A2B #2B9A6E

split-complementary

#372B9A #9A6E2B #569A2B

monochromatic

#15103A #261E6A #372B9A #493AC8 #766AD5

Accessibility & contrast

On white

10.64

#372B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#372B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B9A

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B9A	#FFFFFF	#000000	##FFFFFF
##372B9A	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439D

Deuteranopia (green-blind)

#003A98

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #372b9a;
/* rgb */ color: rgb(55, 43, 154);
/* oklch */ color: oklch(38.2% 0.171 279.4);

Tailwind

colors: {
  custom: {
    50: '#7b66b9',
    500: '#372b9a',
    950: '#000000',
  },
}

SCSS

$custom: #372b9a;
$custom-light: #7b66b9;
$custom-dark: #000000;

JSON

{
  "hex": "#372b9a",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 154
  },
  "hsl": {
    "h": 246.486,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38198,
    "c": 0.17142,
    "h": 279.4
  },
  "luminance": 0.04873
}

Semantic roles & 50–950 ramp

primary

#372B9A

secondary

#B3BC65

accent

#E048CF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #372B9A

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

Preview Lab → · Contrast checker → · Palette generator →