#372EAB#372EAB

#372EAB is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.190 H 276.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#372EAB
RGB	rgb(55, 46, 171)
HSL	hsl(244, 58%, 43%)
HSV	hsv(244, 73%, 67%)
CMYK	cmyk(67.8%, 73.1%, 0%, 32.9%)
CIE-LAB	lab(28.66, 42.77, -65.16)
CIE-LCH	lch(28.66, 77.95, 303.28°)
OKLab	oklab(40.33% 0.0227 -0.1882)
OKLCH	oklch(40.33% 0.19 276.9)
XYZ	xyz(9.9008, 5.7056, 39.0997)
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

#372EAB #A2AB2E

analogous

#2E63AB #372EAB #752EAB

triadic

#372EAB #AB372E #2EAB37

tetradic

#372EAB #AB2E63 #A2AB2E #2EAB75

square

#372EAB #AB2E63 #A2AB2E #2EAB75

split-complementary

#372EAB #AB752E #63AB2E

monochromatic

#18144B #27217B #372EAB #5248CE #8079DB

Accessibility & contrast

On white

9.81

#372EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#372EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EAB

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EAB	#FFFFFF	#000000	##FFFFFF
##372EAB	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)

#0049AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372eab;
/* rgb */ color: rgb(55, 46, 171);
/* oklch */ color: oklch(40.3% 0.190 276.9);

Tailwind

colors: {
  custom: {
    50: '#7e68c5',
    500: '#372eab',
    950: '#000000',
  },
}

SCSS

$custom: #372eab;
$custom-light: #7e68c5;
$custom-dark: #000000;

JSON

{
  "hex": "#372eab",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 171
  },
  "hsl": {
    "h": 244.32,
    "s": 57.604,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40334,
    "c": 0.1896,
    "h": 276.9
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#372EAB

secondary

#BDC372

accent

#E147D6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372EAB

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

Preview Lab → · Contrast checker → · Palette generator →