#372D71#372D71

#372D71 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.8% C 0.113 H 285.7°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#372D71
RGB	rgb(55, 45, 113)
HSL	hsl(249, 43%, 31%)
HSV	hsv(249, 60%, 44%)
CMYK	cmyk(51.3%, 60.2%, 0%, 55.7%)
CIE-LAB	lab(23.27, 24.04, -38.00)
CIE-LCH	lch(23.27, 44.96, 302.31°)
OKLab	oklab(34.85% 0.0305 -0.1086)
OKLCH	oklch(34.85% 0.113 285.7)
XYZ	xyz(5.4937, 3.8810, 16.0792)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D71 #67712D

analogous

#2D4571 #372D71 #592D71

triadic

#372D71 #71372D #2D7137

tetradic

#372D71 #712D45 #67712D #2D7159

square

#372D71 #712D45 #67712D #2D7159

split-complementary

#372D71 #71592D #45712D

monochromatic

#0C0A19 #221C45 #372D71 #4C3E9D #695BBE

Accessibility & contrast

On white

11.82

#372D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#372D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D71

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D71	#FFFFFF	#000000	##FFFFFF
##372D71	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#233C4A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #372d71;
/* rgb */ color: rgb(55, 45, 113);
/* oklch */ color: oklch(34.8% 0.113 285.7);

Tailwind

colors: {
  custom: {
    50: '#73669a',
    500: '#372d71',
    950: '#000000',
  },
}

SCSS

$custom: #372d71;
$custom-light: #73669a;
$custom-dark: #000000;

JSON

{
  "hex": "#372d71",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 113
  },
  "hsl": {
    "h": 248.824,
    "s": 43.038,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34849,
    "c": 0.11278,
    "h": 285.7
  },
  "luminance": 0.03881
}

Semantic roles & 50–950 ramp

primary

#372D71

secondary

#97A357

accent

#D355C0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #372D71

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

Preview Lab → · Contrast checker → · Palette generator →