#372CAE#372CAE

#372CAE is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.195 H 276.8°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#372CAE
RGB	rgb(55, 44, 174)
HSL	hsl(245, 60%, 43%)
HSV	hsv(245, 75%, 68%)
CMYK	cmyk(68.4%, 74.7%, 0%, 31.8%)
CIE-LAB	lab(28.56, 44.86, -67.12)
CIE-LCH	lch(28.56, 80.73, 303.76°)
OKLab	oklab(40.36% 0.0233 -0.1939)
OKLCH	oklch(40.36% 0.195 276.8)
XYZ	xyz(10.1137, 5.6687, 40.5974)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CAE #A3AE2C

analogous

#2C62AE #372CAE #782CAE

triadic

#372CAE #AE372C #2CAE37

tetradic

#372CAE #AE2C62 #A3AE2C #2CAE78

square

#372CAE #AE2C62 #A3AE2C #2CAE78

split-complementary

#372CAE #AE782C #62AE2C

monochromatic

#18134C #28207D #372CAE #5247D0 #8078DD

Accessibility & contrast

On white

9.84

#372CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#372CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CAE

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CAE	#FFFFFF	#000000	##FFFFFF
##372CAE	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B2

Deuteranopia (green-blind)

#003EAC

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372cae;
/* rgb */ color: rgb(55, 44, 174);
/* oklch */ color: oklch(40.4% 0.195 276.8);

Tailwind

colors: {
  custom: {
    50: '#7f67c7',
    500: '#372cae',
    950: '#000000',
  },
}

SCSS

$custom: #372cae;
$custom-light: #7f67c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372cae",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 174
  },
  "hsl": {
    "h": 245.077,
    "s": 59.633,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40356,
    "c": 0.19534,
    "h": 276.8
  },
  "luminance": 0.0567
}

Semantic roles & 50–950 ramp

primary

#372CAE

secondary

#BEC571

accent

#E345D5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372CAE

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

Preview Lab → · Contrast checker → · Palette generator →