#372AA5#372AA5

#372AA5 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.2% C 0.186 H 278.1°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#372AA5
RGB	rgb(55, 42, 165)
HSL	hsl(246, 59%, 41%)
HSV	hsv(246, 75%, 65%)
CMYK	cmyk(66.7%, 74.5%, 0%, 35.3%)
CIE-LAB	lab(27.25, 43.08, -63.86)
CIE-LCH	lch(27.25, 77.03, 304.00°)
OKLab	oklab(39.16% 0.0264 -0.1844)
OKLCH	oklch(39.16% 0.186 278.1)
XYZ	xyz(9.1929, 5.1840, 36.1062)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AA5 #98A52A

analogous

#2A5BA5 #372AA5 #742AA5

triadic

#372AA5 #A5372A #2AA537

tetradic

#372AA5 #A52A5B #98A52A #2AA574

square

#372AA5 #A52A5B #98A52A #2AA574

split-complementary

#372AA5 #A5742A #5BA52A

monochromatic

#161143 #271E74 #372AA5 #4D3ECE #7A6FDA

Accessibility & contrast

On white

10.31

#372AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#372AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AA5

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AA5	#FFFFFF	#000000	##FFFFFF
##372AA5	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#003BA3

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372aa5;
/* rgb */ color: rgb(55, 42, 165);
/* oklch */ color: oklch(39.2% 0.186 278.1);

Tailwind

colors: {
  custom: {
    50: '#7d66c1',
    500: '#372aa5',
    950: '#000000',
  },
}

SCSS

$custom: #372aa5;
$custom-light: #7d66c1;
$custom-dark: #000000;

JSON

{
  "hex": "#372aa5",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 165
  },
  "hsl": {
    "h": 246.341,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39156,
    "c": 0.1863,
    "h": 278.1
  },
  "luminance": 0.05185
}

Semantic roles & 50–950 ramp

primary

#372AA5

secondary

#B8C169

accent

#E345D2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372AA5

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

Preview Lab → · Contrast checker → · Palette generator →