#372D9B#372D9B

#372D9B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.170 H 278.9°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#372D9B
RGB	rgb(55, 45, 155)
HSL	hsl(245, 55%, 39%)
HSV	hsv(245, 71%, 61%)
CMYK	cmyk(64.5%, 71%, 0%, 39.2%)
CIE-LAB	lab(26.89, 38.09, -58.38)
CIE-LCH	lch(26.89, 69.71, 303.13°)
OKLab	oklab(38.6% 0.0263 -0.1684)
OKLCH	oklch(38.6% 0.17 278.9)
XYZ	xyz(8.4284, 5.0549, 31.5355)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D9B #919B2D

analogous

#2D5A9B #372D9B #6E2D9B

triadic

#372D9B #9B372D #2D9B37

tetradic

#372D9B #9B2D5A #919B2D #2D9B6E

square

#372D9B #9B2D5A #919B2D #2D9B6E

split-complementary

#372D9B #9B6E2D #5A9B2D

monochromatic

#15113C #261F6C #372D9B #4B3EC7 #776ED5

Accessibility & contrast

On white

10.44

#372D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#372D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D9B

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D9B	#FFFFFF	#000000	##FFFFFF
##372D9B	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003B99

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372d9b;
/* rgb */ color: rgb(55, 45, 155);
/* oklch */ color: oklch(38.6% 0.170 278.9);

Tailwind

colors: {
  custom: {
    50: '#7b67ba',
    500: '#372d9b',
    950: '#000000',
  },
}

SCSS

$custom: #372d9b;
$custom-light: #7b67ba;
$custom-dark: #000000;

JSON

{
  "hex": "#372d9b",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 155
  },
  "hsl": {
    "h": 245.455,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38601,
    "c": 0.17045,
    "h": 278.9
  },
  "luminance": 0.05056
}

Semantic roles & 50–950 ramp

primary

#372D9B

secondary

#B4BC68

accent

#DE49D1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #372D9B

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

Preview Lab → · Contrast checker → · Palette generator →