#372AA0#372AA0

#372AA0 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.180 H 278.8°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#372AA0
RGB	rgb(55, 42, 160)
HSL	hsl(247, 58%, 40%)
HSV	hsv(247, 74%, 63%)
CMYK	cmyk(65.6%, 73.8%, 0%, 37.3%)
CIE-LAB	lab(26.75, 41.47, -61.65)
CIE-LCH	lch(26.75, 74.30, 303.92°)
OKLab	oklab(38.65% 0.0274 -0.178)
OKLCH	oklch(38.65% 0.18 278.8)
XYZ	xyz(8.7466, 5.0055, 33.7561)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AA0 #93A02A

analogous

#2A58A0 #372AA0 #722AA0

triadic

#372AA0 #A0372A #2AA037

tetradic

#372AA0 #A02A58 #93A02A #2AA072

square

#372AA0 #A02A58 #93A02A #2AA072

split-complementary

#372AA0 #A0722A #58A02A

monochromatic

#16113F #261D70 #372AA0 #4B3CCC #786CD8

Accessibility & contrast

On white

10.49

#372AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#372AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AA0

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AA0	#FFFFFF	#000000	##FFFFFF
##372AA0	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372aa0;
/* rgb */ color: rgb(55, 42, 160);
/* oklch */ color: oklch(38.6% 0.180 278.8);

Tailwind

colors: {
  custom: {
    50: '#7c65bd',
    500: '#372aa0',
    950: '#000000',
  },
}

SCSS

$custom: #372aa0;
$custom-light: #7c65bd;
$custom-dark: #000000;

JSON

{
  "hex": "#372aa0",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 160
  },
  "hsl": {
    "h": 246.61,
    "s": 58.416,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38649,
    "c": 0.18008,
    "h": 278.8
  },
  "luminance": 0.05006
}

Semantic roles & 50–950 ramp

primary

#372AA0

secondary

#B5BF67

accent

#E246D1

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372AA0

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

Preview Lab → · Contrast checker → · Palette generator →