#372FA0#372FA0

#372FA0 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.175 H 277.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#372FA0
RGB	rgb(55, 47, 160)
HSL	hsl(244, 55%, 41%)
HSV	hsv(244, 71%, 63%)
CMYK	cmyk(65.6%, 70.6%, 0%, 37.3%)
CIE-LAB	lab(27.80, 38.56, -59.93)
CIE-LCH	lch(27.80, 71.27, 302.76°)
OKLab	oklab(39.4% 0.0239 -0.173)
OKLCH	oklch(39.4% 0.175 277.9)
XYZ	xyz(8.9352, 5.3826, 33.8190)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FA0 #98A02F

analogous

#2F5FA0 #372FA0 #6F2FA0

triadic

#372FA0 #A0372F #2FA037

tetradic

#372FA0 #A02F5F #98A02F #2FA06F

square

#372FA0 #A02F5F #98A02F #2FA06F

split-complementary

#372FA0 #A06F2F #5FA02F

monochromatic

#161341 #272171 #372FA0 #4D44C8 #7A73D6

Accessibility & contrast

On white

10.11

#372FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#372FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FA0

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FA0	#FFFFFF	#000000	##FFFFFF
##372FA0	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372fa0;
/* rgb */ color: rgb(55, 47, 160);
/* oklch */ color: oklch(39.4% 0.175 277.9);

Tailwind

colors: {
  custom: {
    50: '#7c69bd',
    500: '#372fa0',
    950: '#000000',
  },
}

SCSS

$custom: #372fa0;
$custom-light: #7c69bd;
$custom-dark: #000000;

JSON

{
  "hex": "#372fa0",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 160
  },
  "hsl": {
    "h": 244.248,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39396,
    "c": 0.17461,
    "h": 277.9
  },
  "luminance": 0.05383
}

Semantic roles & 50–950 ramp

primary

#372FA0

secondary

#B8BE6D

accent

#DE4AD3

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372FA0

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

Preview Lab → · Contrast checker → · Palette generator →