#37389F#37389F

#37389F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.163 H 276.0°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#37389F
RGB	rgb(55, 56, 159)
HSL	hsl(239, 49%, 42%)
HSV	hsv(239, 65%, 62%)
CMYK	cmyk(65.4%, 64.8%, 0%, 37.6%)
CIE-LAB	lab(29.77, 32.67, -56.09)
CIE-LCH	lch(29.77, 64.91, 300.21°)
OKLab	oklab(40.8% 0.017 -0.1617)
OKLCH	oklch(40.8% 0.163 276)
XYZ	xyz(9.2457, 6.1430, 33.4927)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37389F #9F9E37

analogous

#376C9F #37389F #6A379F

triadic

#37389F #9F3738 #389F37

tetradic

#37389F #9F376C #9F9E37 #379F6A

square

#37389F #9F376C #9F9E37 #379F6A

split-complementary

#37389F #9F6A37 #6C9F37

monochromatic

#181844 #272872 #37389F #5152C3 #7E7FD2

Accessibility & contrast

On white

9.42

#37389F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#37389F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37389F

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37389F	#FFFFFF	#000000	##FFFFFF
##37389F	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #37389f;
/* rgb */ color: rgb(55, 56, 159);
/* oklch */ color: oklch(40.8% 0.163 276.0);

Tailwind

colors: {
  custom: {
    50: '#7b6fbc',
    500: '#37389f',
    950: '#000000',
  },
}

SCSS

$custom: #37389f;
$custom-light: #7b6fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#37389f",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 159
  },
  "hsl": {
    "h": 239.423,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40797,
    "c": 0.16259,
    "h": 276
  },
  "luminance": 0.06144
}

Semantic roles & 50–950 ramp

primary

#37389F

secondary

#BCBB76

accent

#D750D8

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37389F

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

Preview Lab → · Contrast checker → · Palette generator →