#372AAD#372AAD

#372AAD is a dark, vivid blue. Relative luminance 0.055; OKLCH L 40.0% C 0.196 H 277.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#372AAD
RGB	rgb(55, 42, 173)
HSL	hsl(246, 61%, 42%)
HSV	hsv(246, 76%, 68%)
CMYK	cmyk(68.2%, 75.7%, 0%, 32.2%)
CIE-LAB	lab(28.07, 45.63, -67.33)
CIE-LCH	lch(28.07, 81.33, 304.13°)
OKLab	oklab(39.98% 0.0246 -0.1945)
OKLCH	oklch(39.98% 0.196 277.2)
XYZ	xyz(9.9439, 5.4844, 40.0616)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AAD #A0AD2A

analogous

#2A5FAD #372AAD #782AAD

triadic

#372AAD #AD372A #2AAD37

tetradic

#372AAD #AD2A5F #A0AD2A #2AAD78

square

#372AAD #AD2A5F #A0AD2A #2AAD78

split-complementary

#372AAD #AD782A #5FAD2A

monochromatic

#18124B #271E7C #372AAD #5143D1 #7F74DD

Accessibility & contrast

On white

10.01

#372AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#372AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AAD

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AAD	#FFFFFF	#000000	##FFFFFF
##372AAD	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B1

Deuteranopia (green-blind)

#003DAB

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372aad;
/* rgb */ color: rgb(55, 42, 173);
/* oklch */ color: oklch(40.0% 0.196 277.2);

Tailwind

colors: {
  custom: {
    50: '#7f66c7',
    500: '#372aad',
    950: '#000000',
  },
}

SCSS

$custom: #372aad;
$custom-light: #7f66c7;
$custom-dark: #000000;

JSON

{
  "hex": "#372aad",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 173
  },
  "hsl": {
    "h": 245.954,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39981,
    "c": 0.19608,
    "h": 277.2
  },
  "luminance": 0.05485
}

Semantic roles & 50–950 ramp

primary

#372AAD

secondary

#BCC56E

accent

#E444D4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372AAD

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

Preview Lab → · Contrast checker → · Palette generator →