#372CB3#372CB3

#372CB3 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.9% C 0.201 H 276.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#372CB3
RGB	rgb(55, 44, 179)
HSL	hsl(245, 61%, 44%)
HSV	hsv(245, 75%, 70%)
CMYK	cmyk(69.3%, 75.4%, 0%, 29.8%)
CIE-LAB	lab(29.08, 46.46, -69.26)
CIE-LCH	lch(29.08, 83.40, 303.85°)
OKLab	oklab(40.87% 0.0222 -0.2002)
OKLCH	oklch(40.87% 0.201 276.3)
XYZ	xyz(10.6103, 5.8673, 43.2124)
Luminance	0.0587 (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

#372CB3 #A8B32C

analogous

#2C64B3 #372CB3 #7A2CB3

triadic

#372CB3 #B3372C #2CB337

tetradic

#372CB3 #B32C64 #A8B32C #2CB37A

square

#372CB3 #B32C64 #A8B32C #2CB37A

split-complementary

#372CB3 #B37A2C #64B32C

monochromatic

#191451 #282082 #372CB3 #554AD2 #837BDF

Accessibility & contrast

On white

9.66

#372CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#372CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CB3

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CB3	#FFFFFF	#000000	##FFFFFF
##372CB3	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372cb3;
/* rgb */ color: rgb(55, 44, 179);
/* oklch */ color: oklch(40.9% 0.201 276.3);

Tailwind

colors: {
  custom: {
    50: '#8068cb',
    500: '#372cb3',
    950: '#000000',
  },
}

SCSS

$custom: #372cb3;
$custom-light: #8068cb;
$custom-dark: #000000;

JSON

{
  "hex": "#372cb3",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 179
  },
  "hsl": {
    "h": 244.889,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40873,
    "c": 0.2014,
    "h": 276.3
  },
  "luminance": 0.05868
}

Semantic roles & 50–950 ramp

primary

#372CB3

secondary

#C0C774

accent

#E444D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372CB3

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

Preview Lab → · Contrast checker → · Palette generator →