#372A7E#372A7E

#372A7E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.136 H 284.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#372A7E
RGB	rgb(55, 42, 126)
HSL	hsl(249, 50%, 33%)
HSV	hsv(249, 67%, 49%)
CMYK	cmyk(56.3%, 66.7%, 0%, 50.6%)
CIE-LAB	lab(23.59, 30.30, -45.77)
CIE-LCH	lch(23.59, 54.89, 303.50°)
OKLab	oklab(35.41% 0.0331 -0.1314)
OKLCH	oklch(35.41% 0.136 284.1)
XYZ	xyz(6.1683, 3.9742, 20.1767)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A7E #717E2A

analogous

#2A477E #372A7E #612A7E

triadic

#372A7E #7E372A #2A7E37

tetradic

#372A7E #7E2A47 #717E2A #2A7E61

square

#372A7E #7E2A47 #717E2A #2A7E61

split-complementary

#372A7E #7E612A #477E2A

monochromatic

#0F0B22 #231B50 #372A7E #4B39AC #6B5AC8

Accessibility & contrast

On white

11.70

#372A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#372A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A7E

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A7E	#FFFFFF	#000000	##FFFFFF
##372A7E	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B81

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#183F50

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #372a7e;
/* rgb */ color: rgb(55, 42, 126);
/* oklch */ color: oklch(35.4% 0.136 284.1);

Tailwind

colors: {
  custom: {
    50: '#7564a4',
    500: '#372a7e',
    950: '#000000',
  },
}

SCSS

$custom: #372a7e;
$custom-light: #7564a4;
$custom-dark: #000000;

JSON

{
  "hex": "#372a7e",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 126
  },
  "hsl": {
    "h": 249.286,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35409,
    "c": 0.13555,
    "h": 284.1
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#372A7E

secondary

#A0AE56

accent

#DA4EC4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09050F

muted

#7B7A7F

Preview Lab

Preview with #372A7E

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

Preview Lab → · Contrast checker → · Palette generator →