#372CB9#372CB9

#372CB9 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.5% C 0.209 H 275.7°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#372CB9
RGB	rgb(55, 44, 185)
HSL	hsl(245, 62%, 45%)
HSV	hsv(245, 76%, 73%)
CMYK	cmyk(70.3%, 76.2%, 0%, 27.5%)
CIE-LAB	lab(29.70, 48.36, -71.79)
CIE-LCH	lch(29.70, 86.56, 303.97°)
OKLab	oklab(41.5% 0.0208 -0.2076)
OKLCH	oklch(41.5% 0.209 275.7)
XYZ	xyz(11.2303, 6.1153, 46.4781)
Luminance	0.0612 (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

#372CB9 #AEB92C

analogous

#2C67B9 #372CB9 #7E2CB9

triadic

#372CB9 #B9372C #2CB937

tetradic

#372CB9 #B92C67 #AEB92C #2CB97E

square

#372CB9 #B92C67 #AEB92C #2CB97E

split-complementary

#372CB9 #B97E2C #67B92C

monochromatic

#1A1456 #282088 #372CB9 #584DD5 #867FE1

Accessibility & contrast

On white

9.45

#372CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#372CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CB9

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CB9	#FFFFFF	#000000	##FFFFFF
##372CB9	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	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: #372cb9;
/* rgb */ color: rgb(55, 44, 185);
/* oklch */ color: oklch(41.5% 0.209 275.7);

Tailwind

colors: {
  custom: {
    50: '#8168cf',
    500: '#372cb9',
    950: '#000000',
  },
}

SCSS

$custom: #372cb9;
$custom-light: #8168cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372cb9",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 185
  },
  "hsl": {
    "h": 244.681,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41501,
    "c": 0.2086,
    "h": 275.7
  },
  "luminance": 0.06116
}

Semantic roles & 50–950 ramp

primary

#372CB9

secondary

#C3C978

accent

#E543D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372CB9

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

Preview Lab → · Contrast checker → · Palette generator →