#37389E#37389E

#37389E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.161 H 276.1°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#37389E
RGB	rgb(55, 56, 158)
HSL	hsl(239, 48%, 42%)
HSV	hsv(239, 65%, 62%)
CMYK	cmyk(65.2%, 64.6%, 0%, 38%)
CIE-LAB	lab(29.68, 32.32, -55.63)
CIE-LCH	lch(29.68, 64.33, 300.16°)
OKLab	oklab(40.71% 0.0171 -0.1603)
OKLCH	oklch(40.71% 0.161 276.1)
XYZ	xyz(9.1593, 6.1084, 33.0375)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37389E #9E9D37

analogous

#376C9E #37389E #69379E

triadic

#37389E #9E3738 #389E37

tetradic

#37389E #9E376C #9E9D37 #379E69

square

#37389E #9E376C #9E9D37 #379E69

split-complementary

#37389E #9E6937 #6C9E37

monochromatic

#171843 #272871 #37389E #5051C2 #7D7ED2

Accessibility & contrast

On white

9.45

#37389E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#37389E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37389E

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37389E	#FFFFFF	#000000	##FFFFFF
##37389E	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #37389e;
/* rgb */ color: rgb(55, 56, 158);
/* oklch */ color: oklch(40.7% 0.161 276.1);

Tailwind

colors: {
  custom: {
    50: '#7a6fbc',
    500: '#37389e',
    950: '#000000',
  },
}

SCSS

$custom: #37389e;
$custom-light: #7a6fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#37389e",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 158
  },
  "hsl": {
    "h": 239.417,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40707,
    "c": 0.16125,
    "h": 276.1
  },
  "luminance": 0.06109
}

Semantic roles & 50–950 ramp

primary

#37389E

secondary

#BBBA76

accent

#D750D8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37389E

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

Preview Lab → · Contrast checker → · Palette generator →