#372A7B#372A7B

#372A7B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.131 H 284.7°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#372A7B
RGB	rgb(55, 42, 123)
HSL	hsl(250, 49%, 32%)
HSV	hsv(250, 66%, 48%)
CMYK	cmyk(55.3%, 65.9%, 0%, 51.8%)
CIE-LAB	lab(23.33, 29.31, -44.29)
CIE-LCH	lch(23.33, 53.11, 303.50°)
OKLab	oklab(35.14% 0.0334 -0.1271)
OKLCH	oklch(35.14% 0.131 284.7)
XYZ	xyz(5.9776, 3.8979, 19.1724)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A7B #6E7B2A

analogous

#2A457B #372A7B #602A7B

triadic

#372A7B #7B372A #2A7B37

tetradic

#372A7B #7B2A45 #6E7B2A #2A7B60

square

#372A7B #7B2A45 #6E7B2A #2A7B60

split-complementary

#372A7B #7B602A #457B2A

monochromatic

#0E0B20 #231A4D #372A7B #4B3AA9 #6B59C6

Accessibility & contrast

On white

11.80

#372A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#372A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A7B

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A7B	#FFFFFF	#000000	##FFFFFF
##372A7B	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#1B3E4E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #372a7b;
/* rgb */ color: rgb(55, 42, 123);
/* oklch */ color: oklch(35.1% 0.131 284.7);

Tailwind

colors: {
  custom: {
    50: '#7564a2',
    500: '#372a7b',
    950: '#000000',
  },
}

SCSS

$custom: #372a7b;
$custom-light: #7564a2;
$custom-dark: #000000;

JSON

{
  "hex": "#372a7b",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 123
  },
  "hsl": {
    "h": 249.63,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35144,
    "c": 0.1314,
    "h": 284.7
  },
  "luminance": 0.03898
}

Semantic roles & 50–950 ramp

primary

#372A7B

secondary

#9EAC55

accent

#D94FC3

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09050F

muted

#7B7A7F

Preview Lab

Preview with #372A7B

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

Preview Lab → · Contrast checker → · Palette generator →