#37389C#37389C

#37389C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.159 H 276.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#37389C
RGB	rgb(55, 56, 156)
HSL	hsl(239, 48%, 41%)
HSV	hsv(239, 65%, 61%)
CMYK	cmyk(64.7%, 64.1%, 0%, 38.8%)
CIE-LAB	lab(29.51, 31.62, -54.69)
CIE-LCH	lch(29.51, 63.17, 300.04°)
OKLab	oklab(40.53% 0.0173 -0.1576)
OKLCH	oklch(40.53% 0.159 276.2)
XYZ	xyz(8.9885, 6.0401, 32.1382)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37389C #9C9B37

analogous

#376B9C #37389C #69379C

triadic

#37389C #9C3738 #389C37

tetradic

#37389C #9C376B #9C9B37 #379C69

square

#37389C #9C376B #9C9B37 #379C69

split-complementary

#37389C #9C6937 #6B9C37

monochromatic

#171842 #27286F #37389C #4F50C1 #7C7DD1

Accessibility & contrast

On white

9.51

#37389C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#37389C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37389C

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37389C	#FFFFFF	#000000	##FFFFFF
##37389C	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #37389c;
/* rgb */ color: rgb(55, 56, 156);
/* oklch */ color: oklch(40.5% 0.159 276.2);

Tailwind

colors: {
  custom: {
    50: '#7a6fba',
    500: '#37389c',
    950: '#000000',
  },
}

SCSS

$custom: #37389c;
$custom-light: #7a6fba;
$custom-dark: #000000;

JSON

{
  "hex": "#37389c",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 156
  },
  "hsl": {
    "h": 239.406,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40529,
    "c": 0.15853,
    "h": 276.2
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#37389C

secondary

#BAB975

accent

#D650D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37389C

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

Preview Lab → · Contrast checker → · Palette generator →