#372DAD#372DAD

#372DAD is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.193 H 276.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#372DAD
RGB	rgb(55, 45, 173)
HSL	hsl(245, 59%, 43%)
HSV	hsv(245, 74%, 68%)
CMYK	cmyk(68.2%, 74%, 0%, 32.2%)
CIE-LAB	lab(28.66, 43.99, -66.36)
CIE-LCH	lch(28.66, 79.62, 303.54°)
OKLab	oklab(40.39% 0.0229 -0.1917)
OKLCH	oklch(40.39% 0.193 276.8)
XYZ	xyz(10.0543, 5.7052, 40.0984)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DAD #A3AD2D

analogous

#2D63AD #372DAD #772DAD

triadic

#372DAD #AD372D #2DAD37

tetradic

#372DAD #AD2D63 #A3AD2D #2DAD77

square

#372DAD #AD2D63 #A3AD2D #2DAD77

split-complementary

#372DAD #AD772D #63AD2D

monochromatic

#18144C #28207C #372DAD #5248CF #8078DC

Accessibility & contrast

On white

9.81

#372DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#372DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DAD

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DAD	#FFFFFF	#000000	##FFFFFF
##372DAD	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372dad;
/* rgb */ color: rgb(55, 45, 173);
/* oklch */ color: oklch(40.4% 0.193 276.8);

Tailwind

colors: {
  custom: {
    50: '#7e68c7',
    500: '#372dad',
    950: '#000000',
  },
}

SCSS

$custom: #372dad;
$custom-light: #7e68c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372dad",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 173
  },
  "hsl": {
    "h": 244.688,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40394,
    "c": 0.19311,
    "h": 276.8
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#372DAD

secondary

#BEC472

accent

#E246D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372DAD

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

Preview Lab → · Contrast checker → · Palette generator →