#372B9D#372B9D

#372B9D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.175 H 279.0°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#372B9D
RGB	rgb(55, 43, 157)
HSL	hsl(246, 57%, 39%)
HSV	hsv(246, 73%, 62%)
CMYK	cmyk(65%, 72.6%, 0%, 38.4%)
CIE-LAB	lab(26.66, 39.92, -59.98)
CIE-LCH	lch(26.66, 72.05, 303.65°)
OKLab	oklab(38.5% 0.0274 -0.1731)
OKLCH	oklch(38.5% 0.175 279)
XYZ	xyz(8.5233, 4.9736, 32.4026)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B9D #919D2B

analogous

#2B589D #372B9D #702B9D

triadic

#372B9D #9D372B #2B9D37

tetradic

#372B9D #9D2B58 #919D2B #2B9D70

square

#372B9D #9D2B58 #919D2B #2B9D70

split-complementary

#372B9D #9D702B #589D2B

monochromatic

#15113D #261E6D #372B9D #4B3CCA #776CD7

Accessibility & contrast

On white

10.53

#372B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#372B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B9D

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B9D	#FFFFFF	#000000	##FFFFFF
##372B9D	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#003A9B

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372b9d;
/* rgb */ color: rgb(55, 43, 157);
/* oklch */ color: oklch(38.5% 0.175 279.0);

Tailwind

colors: {
  custom: {
    50: '#7b66bb',
    500: '#372b9d',
    950: '#000000',
  },
}

SCSS

$custom: #372b9d;
$custom-light: #7b66bb;
$custom-dark: #000000;

JSON

{
  "hex": "#372b9d",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 157
  },
  "hsl": {
    "h": 246.316,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38495,
    "c": 0.17524,
    "h": 279
  },
  "luminance": 0.04974
}

Semantic roles & 50–950 ramp

primary

#372B9D

secondary

#B4BD66

accent

#E048D0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372B9D

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

Preview Lab → · Contrast checker → · Palette generator →