#372CB2#372CB2

#372CB2 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.200 H 276.4°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#372CB2
RGB	rgb(55, 44, 178)
HSL	hsl(245, 60%, 44%)
HSV	hsv(245, 75%, 70%)
CMYK	cmyk(69.1%, 75.3%, 0%, 30.2%)
CIE-LAB	lab(28.97, 46.14, -68.83)
CIE-LCH	lch(28.97, 82.87, 303.84°)
OKLab	oklab(40.77% 0.0224 -0.1989)
OKLCH	oklch(40.77% 0.2 276.4)
XYZ	xyz(10.5095, 5.8270, 42.6817)
Luminance	0.0583 (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

#372CB2 #A7B22C

analogous

#2C64B2 #372CB2 #7A2CB2

triadic

#372CB2 #B2372C #2CB237

tetradic

#372CB2 #B22C64 #A7B22C #2CB27A

square

#372CB2 #B22C64 #A7B22C #2CB27A

split-complementary

#372CB2 #B27A2C #64B22C

monochromatic

#191450 #282081 #372CB2 #5449D2 #827ADE

Accessibility & contrast

On white

9.70

#372CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#372CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CB2

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CB2	#FFFFFF	#000000	##FFFFFF
##372CB2	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372cb2;
/* rgb */ color: rgb(55, 44, 178);
/* oklch */ color: oklch(40.8% 0.200 276.4);

Tailwind

colors: {
  custom: {
    50: '#8068ca',
    500: '#372cb2',
    950: '#000000',
  },
}

SCSS

$custom: #372cb2;
$custom-light: #8068ca;
$custom-dark: #000000;

JSON

{
  "hex": "#372cb2",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 178
  },
  "hsl": {
    "h": 244.925,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4077,
    "c": 0.2002,
    "h": 276.4
  },
  "luminance": 0.05828
}

Semantic roles & 50–950 ramp

primary

#372CB2

secondary

#C0C673

accent

#E444D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372CB2

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

Preview Lab → · Contrast checker → · Palette generator →