#372AA7#372AA7

#372AA7 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.4% C 0.189 H 277.9°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#372AA7
RGB	rgb(55, 42, 167)
HSL	hsl(246, 60%, 41%)
HSV	hsv(246, 75%, 65%)
CMYK	cmyk(67.1%, 74.9%, 0%, 34.5%)
CIE-LAB	lab(27.46, 43.72, -64.73)
CIE-LCH	lch(27.46, 78.11, 304.03°)
OKLab	oklab(39.36% 0.0259 -0.187)
OKLCH	oklch(39.36% 0.189 277.9)
XYZ	xyz(9.3763, 5.2574, 37.0724)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AA7 #9AA72A

analogous

#2A5BA7 #372AA7 #752AA7

triadic

#372AA7 #A7372A #2AA737

tetradic

#372AA7 #A72A5B #9AA72A #2AA775

square

#372AA7 #A72A5B #9AA72A #2AA775

split-complementary

#372AA7 #A7752A #5BA72A

monochromatic

#171145 #271E76 #372AA7 #4E3FCF #7B70DB

Accessibility & contrast

On white

10.24

#372AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#372AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AA7

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AA7	#FFFFFF	#000000	##FFFFFF
##372AA7	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AB

Deuteranopia (green-blind)

#003CA5

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #372aa7;
/* rgb */ color: rgb(55, 42, 167);
/* oklch */ color: oklch(39.4% 0.189 277.9);

Tailwind

colors: {
  custom: {
    50: '#7d66c2',
    500: '#372aa7',
    950: '#000000',
  },
}

SCSS

$custom: #372aa7;
$custom-light: #7d66c2;
$custom-dark: #000000;

JSON

{
  "hex": "#372aa7",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 167
  },
  "hsl": {
    "h": 246.24,
    "s": 59.809,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.18876,
    "h": 277.9
  },
  "luminance": 0.05258
}

Semantic roles & 50–950 ramp

primary

#372AA7

secondary

#B9C26B

accent

#E345D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372AA7

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

Preview Lab → · Contrast checker → · Palette generator →