#372EA2#372EA2

#372EA2 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.178 H 277.8°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#372EA2
RGB	rgb(55, 46, 162)
HSL	hsl(245, 56%, 41%)
HSV	hsv(245, 72%, 64%)
CMYK	cmyk(66%, 71.6%, 0%, 36.5%)
CIE-LAB	lab(27.77, 39.82, -61.18)
CIE-LCH	lch(27.77, 73.00, 303.06°)
OKLab	oklab(39.44% 0.0243 -0.1766)
OKLCH	oklch(39.44% 0.178 277.8)
XYZ	xyz(9.0720, 5.3741, 34.7346)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372EA2 #99A22E

analogous

#2E5FA2 #372EA2 #712EA2

triadic

#372EA2 #A2372E #2EA237

tetradic

#372EA2 #A22E5F #99A22E #2EA271

square

#372EA2 #A22E5F #99A22E #2EA271

split-complementary

#372EA2 #A2712E #5FA22E

monochromatic

#171343 #272072 #372EA2 #4E43CA #7B73D7

Accessibility & contrast

On white

10.12

#372EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#372EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EA2

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EA2	#FFFFFF	#000000	##FFFFFF
##372EA2	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A5

Deuteranopia (green-blind)

#003DA0

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372ea2;
/* rgb */ color: rgb(55, 46, 162);
/* oklch */ color: oklch(39.4% 0.178 277.8);

Tailwind

colors: {
  custom: {
    50: '#7c68bf',
    500: '#372ea2',
    950: '#000000',
  },
}

SCSS

$custom: #372ea2;
$custom-light: #7c68bf;
$custom-dark: #000000;

JSON

{
  "hex": "#372ea2",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 162
  },
  "hsl": {
    "h": 244.655,
    "s": 55.769,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39438,
    "c": 0.17829,
    "h": 277.8
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#372EA2

secondary

#B9BF6D

accent

#DF49D3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372EA2

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

Preview Lab → · Contrast checker → · Palette generator →