#372DB2#372DB2

#372DB2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.9% C 0.199 H 276.3°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#372DB2
RGB	rgb(55, 45, 178)
HSL	hsl(245, 60%, 44%)
HSV	hsv(245, 75%, 70%)
CMYK	cmyk(69.1%, 74.7%, 0%, 30.2%)
CIE-LAB	lab(29.16, 45.60, -68.52)
CIE-LCH	lch(29.16, 82.30, 303.64°)
OKLab	oklab(40.91% 0.0218 -0.198)
OKLCH	oklch(40.91% 0.199 276.3)
XYZ	xyz(10.5472, 5.9024, 42.6943)
Luminance	0.0590 (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

#372DB2 #A8B22D

analogous

#2D65B2 #372DB2 #792DB2

triadic

#372DB2 #B2372D #2DB237

tetradic

#372DB2 #B22D65 #A8B22D #2DB279

square

#372DB2 #B22D65 #A8B22D #2DB279

split-complementary

#372DB2 #B2792D #65B22D

monochromatic

#191450 #282181 #372DB2 #554BD1 #837CDE

Accessibility & contrast

On white

9.63

#372DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#372DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB2

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB2	#FFFFFF	#000000	##FFFFFF
##372DB2	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB6

Deuteranopia (green-blind)

#003FB0

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372db2;
/* rgb */ color: rgb(55, 45, 178);
/* oklch */ color: oklch(40.9% 0.199 276.3);

Tailwind

colors: {
  custom: {
    50: '#8068ca',
    500: '#372db2',
    950: '#000000',
  },
}

SCSS

$custom: #372db2;
$custom-light: #8068ca;
$custom-dark: #000000;

JSON

{
  "hex": "#372db2",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 178
  },
  "hsl": {
    "h": 244.511,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40906,
    "c": 0.19922,
    "h": 276.3
  },
  "luminance": 0.05903
}

Semantic roles & 50–950 ramp

primary

#372DB2

secondary

#C0C675

accent

#E345D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372DB2

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

Preview Lab → · Contrast checker → · Palette generator →