#372AAF#372AAF

#372AAF is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.2% C 0.198 H 277.0°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#372AAF
RGB	rgb(55, 42, 175)
HSL	hsl(246, 61%, 43%)
HSV	hsv(246, 76%, 69%)
CMYK	cmyk(68.6%, 76%, 0%, 31.4%)
CIE-LAB	lab(28.28, 46.27, -68.18)
CIE-LCH	lch(28.28, 82.40, 304.16°)
OKLab	oklab(40.19% 0.0242 -0.197)
OKLCH	oklch(40.19% 0.198 277)
XYZ	xyz(10.1389, 5.5624, 41.0885)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AAF #A2AF2A

analogous

#2A5FAF #372AAF #7A2AAF

triadic

#372AAF #AF372A #2AAF37

tetradic

#372AAF #AF2A5F #A2AF2A #2AAF7A

square

#372AAF #AF2A5F #A2AF2A #2AAF7A

split-complementary

#372AAF #AF7A2A #5FAF2A

monochromatic

#18124C #271E7E #372AAF #5244D2 #8075DE

Accessibility & contrast

On white

9.94

#372AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#372AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AAF

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AAF	#FFFFFF	#000000	##FFFFFF
##372AAF	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B3

Deuteranopia (green-blind)

#003DAD

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372aaf;
/* rgb */ color: rgb(55, 42, 175);
/* oklch */ color: oklch(40.2% 0.198 277.0);

Tailwind

colors: {
  custom: {
    50: '#7f66c8',
    500: '#372aaf',
    950: '#000000',
  },
}

SCSS

$custom: #372aaf;
$custom-light: #7f66c8;
$custom-dark: #000000;

JSON

{
  "hex": "#372aaf",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 175
  },
  "hsl": {
    "h": 245.865,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40189,
    "c": 0.19849,
    "h": 277
  },
  "luminance": 0.05563
}

Semantic roles & 50–950 ramp

primary

#372AAF

secondary

#BDC66F

accent

#E443D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372AAF

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

Preview Lab → · Contrast checker → · Palette generator →