#372AB0#372AB0

#372AB0 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.3% C 0.200 H 276.9°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#372AB0
RGB	rgb(55, 42, 176)
HSL	hsl(246, 61%, 43%)
HSV	hsv(246, 76%, 69%)
CMYK	cmyk(68.8%, 76.1%, 0%, 31%)
CIE-LAB	lab(28.38, 46.58, -68.61)
CIE-LCH	lch(28.38, 82.93, 304.18°)
OKLab	oklab(40.29% 0.0239 -0.1983)
OKLCH	oklch(40.29% 0.2 276.9)
XYZ	xyz(10.2374, 5.6018, 41.6076)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AB0 #A3B02A

analogous

#2A60B0 #372AB0 #7A2AB0

triadic

#372AB0 #B0372A #2AB037

tetradic

#372AB0 #B02A60 #A3B02A #2AB07A

square

#372AB0 #B02A60 #A3B02A #2AB07A

split-complementary

#372AB0 #B07A2A #60B02A

monochromatic

#18124D #281E7F #372AB0 #5245D3 #8076DE

Accessibility & contrast

On white

9.90

#372AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#372AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AB0

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AB0	#FFFFFF	#000000	##FFFFFF
##372AB0	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003DAE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372ab0;
/* rgb */ color: rgb(55, 42, 176);
/* oklch */ color: oklch(40.3% 0.200 276.9);

Tailwind

colors: {
  custom: {
    50: '#7f66c9',
    500: '#372ab0',
    950: '#000000',
  },
}

SCSS

$custom: #372ab0;
$custom-light: #7f66c9;
$custom-dark: #000000;

JSON

{
  "hex": "#372ab0",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 176
  },
  "hsl": {
    "h": 245.821,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40294,
    "c": 0.1997,
    "h": 276.9
  },
  "luminance": 0.05603
}

Semantic roles & 50–950 ramp

primary

#372AB0

secondary

#BEC670

accent

#E543D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372AB0

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

Preview Lab → · Contrast checker → · Palette generator →