#372AA9#372AA9

#372AA9 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.6% C 0.191 H 277.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#372AA9
RGB	rgb(55, 42, 169)
HSL	hsl(246, 60%, 41%)
HSV	hsv(246, 75%, 66%)
CMYK	cmyk(67.5%, 75.1%, 0%, 33.7%)
CIE-LAB	lab(27.66, 44.36, -65.60)
CIE-LCH	lch(27.66, 79.19, 304.07°)
OKLab	oklab(39.57% 0.0255 -0.1895)
OKLCH	oklch(39.57% 0.191 277.7)
XYZ	xyz(9.5626, 5.3319, 38.0536)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AA9 #9CA92A

analogous

#2A5DA9 #372AA9 #772AA9

triadic

#372AA9 #A9372A #2AA937

tetradic

#372AA9 #A92A5D #9CA92A #2AA977

square

#372AA9 #A92A5D #9CA92A #2AA977

split-complementary

#372AA9 #A9772A #5DA92A

monochromatic

#171247 #271E78 #372AA9 #4F41D0 #7C72DC

Accessibility & contrast

On white

10.16

#372AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#372AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AA9

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AA9	#FFFFFF	#000000	##FFFFFF
##372AA9	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#003CA7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #372aa9;
/* rgb */ color: rgb(55, 42, 169);
/* oklch */ color: oklch(39.6% 0.191 277.7);

Tailwind

colors: {
  custom: {
    50: '#7e66c4',
    500: '#372aa9',
    950: '#000000',
  },
}

SCSS

$custom: #372aa9;
$custom-light: #7e66c4;
$custom-dark: #000000;

JSON

{
  "hex": "#372aa9",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 169
  },
  "hsl": {
    "h": 246.142,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39567,
    "c": 0.19121,
    "h": 277.7
  },
  "luminance": 0.05333
}

Semantic roles & 50–950 ramp

primary

#372AA9

secondary

#BAC36C

accent

#E344D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372AA9

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

Preview Lab → · Contrast checker → · Palette generator →