#372DB9#372DB9

#372DB9 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.6% C 0.208 H 275.6°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#372DB9
RGB	rgb(55, 45, 185)
HSL	hsl(244, 61%, 45%)
HSV	hsv(244, 76%, 73%)
CMYK	cmyk(70.3%, 75.7%, 0%, 27.5%)
CIE-LAB	lab(29.89, 47.83, -71.48)
CIE-LCH	lch(29.89, 86.01, 303.79°)
OKLab	oklab(41.63% 0.0203 -0.2067)
OKLCH	oklch(41.63% 0.208 275.6)
XYZ	xyz(11.2680, 6.1907, 46.4906)
Luminance	0.0619 (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

#372DB9 #AFB92D

analogous

#2D69B9 #372DB9 #7D2DB9

triadic

#372DB9 #B9372D #2DB937

tetradic

#372DB9 #B92D69 #AFB92D #2DB97D

square

#372DB9 #B92D69 #AFB92D #2DB97D

split-complementary

#372DB9 #B97D2D #69B92D

monochromatic

#1A1557 #282188 #372DB9 #594FD4 #8780E0

Accessibility & contrast

On white

9.38

#372DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#372DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB9

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB9	#FFFFFF	#000000	##FFFFFF
##372DB9	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBD

Deuteranopia (green-blind)

#0040B7

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372db9;
/* rgb */ color: rgb(55, 45, 185);
/* oklch */ color: oklch(41.6% 0.208 275.6);

Tailwind

colors: {
  custom: {
    50: '#8169cf',
    500: '#372db9',
    950: '#000000',
  },
}

SCSS

$custom: #372db9;
$custom-light: #8169cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372db9",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 185
  },
  "hsl": {
    "h": 244.286,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41633,
    "c": 0.20767,
    "h": 275.6
  },
  "luminance": 0.06192
}

Semantic roles & 50–950 ramp

primary

#372DB9

secondary

#C3C979

accent

#E444D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372DB9

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

Preview Lab → · Contrast checker → · Palette generator →