#372EB9#372EB9

#372EB9 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.207 H 275.5°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#372EB9
RGB	rgb(55, 46, 185)
HSL	hsl(244, 60%, 45%)
HSV	hsv(244, 75%, 73%)
CMYK	cmyk(70.3%, 75.1%, 0%, 27.5%)
CIE-LAB	lab(30.08, 47.29, -71.17)
CIE-LCH	lch(30.08, 85.45, 303.60°)
OKLab	oklab(41.77% 0.0198 -0.2058)
OKLCH	oklch(41.77% 0.207 275.5)
XYZ	xyz(11.3066, 6.2679, 46.5035)
Luminance	0.0627 (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

#372EB9 #B0B92E

analogous

#2E6AB9 #372EB9 #7C2EB9

triadic

#372EB9 #B9372E #2EB937

tetradic

#372EB9 #B92E6A #B0B92E #2EB97C

square

#372EB9 #B92E6A #B0B92E #2EB97C

split-complementary

#372EB9 #B97C2E #6AB92E

monochromatic

#1A1657 #282288 #372EB9 #5951D4 #8882E0

Accessibility & contrast

On white

9.32

#372EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#372EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EB9

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EB9	#FFFFFF	#000000	##FFFFFF
##372EB9	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBD

Deuteranopia (green-blind)

#0041B7

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372eb9;
/* rgb */ color: rgb(55, 46, 185);
/* oklch */ color: oklch(41.8% 0.207 275.5);

Tailwind

colors: {
  custom: {
    50: '#8169cf',
    500: '#372eb9',
    950: '#000000',
  },
}

SCSS

$custom: #372eb9;
$custom-light: #8169cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372eb9",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 185
  },
  "hsl": {
    "h": 243.885,
    "s": 60.173,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41767,
    "c": 0.20671,
    "h": 275.5
  },
  "luminance": 0.06269
}

Semantic roles & 50–950 ramp

primary

#372EB9

secondary

#C4C97A

accent

#E344D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372EB9

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

Preview Lab → · Contrast checker → · Palette generator →