#372BA8#372BA8

#372BA8 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.6% C 0.189 H 277.6°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#372BA8
RGB	rgb(55, 43, 168)
HSL	hsl(246, 59%, 41%)
HSV	hsv(246, 74%, 66%)
CMYK	cmyk(67.3%, 74.4%, 0%, 34.1%)
CIE-LAB	lab(27.75, 43.49, -64.84)
CIE-LCH	lch(27.75, 78.08, 303.85°)
OKLab	oklab(39.6% 0.0251 -0.1873)
OKLCH	oklch(39.6% 0.189 277.6)
XYZ	xyz(9.5050, 5.3663, 37.5731)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BA8 #9CA82B

analogous

#2B5EA8 #372BA8 #762BA8

triadic

#372BA8 #A8372B #2BA837

tetradic

#372BA8 #A82B5E #9CA82B #2BA876

square

#372BA8 #A82B5E #9CA82B #2BA876

split-complementary

#372BA8 #A8762B #5EA82B

monochromatic

#171247 #271F77 #372BA8 #4F42CF #7C72DB

Accessibility & contrast

On white

10.13

#372BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#372BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BA8

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BA8	#FFFFFF	#000000	##FFFFFF
##372BA8	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372ba8;
/* rgb */ color: rgb(55, 43, 168);
/* oklch */ color: oklch(39.6% 0.189 277.6);

Tailwind

colors: {
  custom: {
    50: '#7e66c3',
    500: '#372ba8',
    950: '#000000',
  },
}

SCSS

$custom: #372ba8;
$custom-light: #7e66c3;
$custom-dark: #000000;

JSON

{
  "hex": "#372ba8",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 168
  },
  "hsl": {
    "h": 245.76,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39602,
    "c": 0.18898,
    "h": 277.6
  },
  "luminance": 0.05367
}

Semantic roles & 50–950 ramp

primary

#372BA8

secondary

#BAC26C

accent

#E245D3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372BA8

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

Preview Lab → · Contrast checker → · Palette generator →