#372BB9#372BB9

#372BB9 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.4% C 0.210 H 275.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#372BB9
RGB	rgb(55, 43, 185)
HSL	hsl(245, 62%, 45%)
HSV	hsv(245, 77%, 73%)
CMYK	cmyk(70.3%, 76.8%, 0%, 27.5%)
CIE-LAB	lab(29.52, 48.89, -72.10)
CIE-LCH	lch(29.52, 87.11, 304.14°)
OKLab	oklab(41.37% 0.0213 -0.2084)
OKLCH	oklch(41.37% 0.21 275.8)
XYZ	xyz(11.1935, 6.0417, 46.4658)
Luminance	0.0604 (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

#372BB9 #ADB92B

analogous

#2B66B9 #372BB9 #7E2BB9

triadic

#372BB9 #B9372B #2BB937

tetradic

#372BB9 #B92B66 #ADB92B #2BB97E

square

#372BB9 #B92B66 #ADB92B #2BB97E

split-complementary

#372BB9 #B97E2B #66B92B

monochromatic

#191456 #281F87 #372BB9 #574CD5 #867EE1

Accessibility & contrast

On white

9.51

#372BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#372BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BB9

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BB9	#FFFFFF	#000000	##FFFFFF
##372BB9	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBD

Deuteranopia (green-blind)

#003FB6

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372bb9;
/* rgb */ color: rgb(55, 43, 185);
/* oklch */ color: oklch(41.4% 0.210 275.8);

Tailwind

colors: {
  custom: {
    50: '#8167cf',
    500: '#372bb9',
    950: '#000000',
  },
}

SCSS

$custom: #372bb9;
$custom-light: #8167cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372bb9",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 185
  },
  "hsl": {
    "h": 245.07,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41372,
    "c": 0.20952,
    "h": 275.8
  },
  "luminance": 0.06043
}

Semantic roles & 50–950 ramp

primary

#372BB9

secondary

#C2C976

accent

#E542D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372BB9

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

Preview Lab → · Contrast checker → · Palette generator →