#372D9C#372D9C

#372D9C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.172 H 278.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#372D9C
RGB	rgb(55, 45, 156)
HSL	hsl(245, 55%, 39%)
HSV	hsv(245, 71%, 61%)
CMYK	cmyk(64.7%, 71.2%, 0%, 38.8%)
CIE-LAB	lab(26.99, 38.42, -58.83)
CIE-LCH	lch(26.99, 70.27, 303.15°)
OKLab	oklab(38.7% 0.0261 -0.1697)
OKLCH	oklch(38.7% 0.172 278.7)
XYZ	xyz(8.5128, 5.0886, 31.9796)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D9C #929C2D

analogous

#2D5B9C #372D9C #6E2D9C

triadic

#372D9C #9C372D #2D9C37

tetradic

#372D9C #9C2D5B #929C2D #2D9C6E

square

#372D9C #9C2D5B #929C2D #2D9C6E

split-complementary

#372D9C #9C6E2D #5B9C2D

monochromatic

#16123D #261F6D #372D9C #4B3FC8 #776ED5

Accessibility & contrast

On white

10.41

#372D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#372D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D9C

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D9C	#FFFFFF	#000000	##FFFFFF
##372D9C	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449F

Deuteranopia (green-blind)

#003B9A

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372d9c;
/* rgb */ color: rgb(55, 45, 156);
/* oklch */ color: oklch(38.7% 0.172 278.7);

Tailwind

colors: {
  custom: {
    50: '#7b67ba',
    500: '#372d9c',
    950: '#000000',
  },
}

SCSS

$custom: #372d9c;
$custom-light: #7b67ba;
$custom-dark: #000000;

JSON

{
  "hex": "#372d9c",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 156
  },
  "hsl": {
    "h": 245.405,
    "s": 55.224,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38698,
    "c": 0.17173,
    "h": 278.7
  },
  "luminance": 0.05089
}

Semantic roles & 50–950 ramp

primary

#372D9C

secondary

#B5BC68

accent

#DF49D1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #372D9C

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

Preview Lab → · Contrast checker → · Palette generator →