#372C9B#372C9B

#372C9B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.172 H 279.1°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#372C9B
RGB	rgb(55, 44, 155)
HSL	hsl(246, 56%, 39%)
HSV	hsv(246, 72%, 61%)
CMYK	cmyk(64.5%, 71.6%, 0%, 39.2%)
CIE-LAB	lab(26.68, 38.68, -58.73)
CIE-LCH	lch(26.68, 70.32, 303.37°)
OKLab	oklab(38.45% 0.027 -0.1694)
OKLCH	oklch(38.45% 0.172 279.1)
XYZ	xyz(8.3907, 4.9795, 31.5230)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C9B #909B2C

analogous

#2C599B #372C9B #6F2C9B

triadic

#372C9B #9B372C #2C9B37

tetradic

#372C9B #9B2C59 #909B2C #2C9B6F

square

#372C9B #9B2C59 #909B2C #2C9B6F

split-complementary

#372C9B #9B6F2C #599B2C

monochromatic

#15113C #261E6B #372C9B #4A3CC8 #776CD5

Accessibility & contrast

On white

10.52

#372C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#372C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C9B

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C9B	#FFFFFF	#000000	##FFFFFF
##372C9B	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003B99

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372c9b;
/* rgb */ color: rgb(55, 44, 155);
/* oklch */ color: oklch(38.4% 0.172 279.1);

Tailwind

colors: {
  custom: {
    50: '#7b67ba',
    500: '#372c9b',
    950: '#000000',
  },
}

SCSS

$custom: #372c9b;
$custom-light: #7b67ba;
$custom-dark: #000000;

JSON

{
  "hex": "#372c9b",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 155
  },
  "hsl": {
    "h": 245.946,
    "s": 55.779,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38448,
    "c": 0.17158,
    "h": 279.1
  },
  "luminance": 0.0498
}

Semantic roles & 50–950 ramp

primary

#372C9B

secondary

#B4BC67

accent

#DF49D0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #372C9B

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

Preview Lab → · Contrast checker → · Palette generator →