#372BB2#372BB2

#372BB2 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.6% C 0.201 H 276.5°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#372BB2
RGB	rgb(55, 43, 178)
HSL	hsl(245, 61%, 43%)
HSV	hsv(245, 76%, 70%)
CMYK	cmyk(69.1%, 75.8%, 0%, 30.2%)
CIE-LAB	lab(28.78, 46.68, -69.15)
CIE-LCH	lch(28.78, 83.43, 304.02°)
OKLab	oklab(40.64% 0.0229 -0.1998)
OKLCH	oklch(40.64% 0.201 276.5)
XYZ	xyz(10.4727, 5.7534, 42.6695)
Luminance	0.0575 (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

#372BB2 #A6B22B

analogous

#2B62B2 #372BB2 #7A2BB2

triadic

#372BB2 #B2372B #2BB237

tetradic

#372BB2 #B22B62 #A6B22B #2BB27A

square

#372BB2 #B22B62 #A6B22B #2BB27A

split-complementary

#372BB2 #B27A2B #62B22B

monochromatic

#19134F #281F81 #372BB2 #5448D3 #8279DF

Accessibility & contrast

On white

9.76

#372BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#372BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BB2

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BB2	#FFFFFF	#000000	##FFFFFF
##372BB2	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372bb2;
/* rgb */ color: rgb(55, 43, 178);
/* oklch */ color: oklch(40.6% 0.201 276.5);

Tailwind

colors: {
  custom: {
    50: '#8067ca',
    500: '#372bb2',
    950: '#000000',
  },
}

SCSS

$custom: #372bb2;
$custom-light: #8067ca;
$custom-dark: #000000;

JSON

{
  "hex": "#372bb2",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 178
  },
  "hsl": {
    "h": 245.333,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40635,
    "c": 0.20116,
    "h": 276.5
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#372BB2

secondary

#BFC772

accent

#E444D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372BB2

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

Preview Lab → · Contrast checker → · Palette generator →