#372EB5#372EB5

#372EB5 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.4% C 0.202 H 275.9°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#372EB5
RGB	rgb(55, 46, 181)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 75%, 71%)
CMYK	cmyk(69.6%, 74.6%, 0%, 29%)
CIE-LAB	lab(29.67, 46.01, -69.47)
CIE-LCH	lch(29.67, 83.33, 303.51°)
OKLab	oklab(41.35% 0.0207 -0.2008)
OKLCH	oklch(41.35% 0.202 275.9)
XYZ	xyz(10.8903, 6.1014, 44.3109)
Luminance	0.0610 (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

#372EB5 #ACB52E

analogous

#2E69B5 #372EB5 #7B2EB5

triadic

#372EB5 #B5372E #2EB537

tetradic

#372EB5 #B52E69 #ACB52E #2EB57B

square

#372EB5 #B52E69 #ACB52E #2EB57B

split-complementary

#372EB5 #B57B2E #69B52E

monochromatic

#191553 #282284 #372EB5 #574ED2 #857FDE

Accessibility & contrast

On white

9.46

#372EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#372EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EB5

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EB5	#FFFFFF	#000000	##FFFFFF
##372EB5	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372eb5;
/* rgb */ color: rgb(55, 46, 181);
/* oklch */ color: oklch(41.4% 0.202 275.9);

Tailwind

colors: {
  custom: {
    50: '#8069cc',
    500: '#372eb5',
    950: '#000000',
  },
}

SCSS

$custom: #372eb5;
$custom-light: #8069cc;
$custom-dark: #000000;

JSON

{
  "hex": "#372eb5",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 181
  },
  "hsl": {
    "h": 244,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41353,
    "c": 0.20188,
    "h": 275.9
  },
  "luminance": 0.06102
}

Semantic roles & 50–950 ramp

primary

#372EB5

secondary

#C2C778

accent

#E345D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372EB5

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

Preview Lab → · Contrast checker → · Palette generator →