#37359D#37359D

#37359D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.164 H 276.9°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#37359D
RGB	rgb(55, 53, 157)
HSL	hsl(241, 50%, 41%)
HSV	hsv(241, 66%, 62%)
CMYK	cmyk(65%, 66.2%, 0%, 38.4%)
CIE-LAB	lab(28.88, 33.87, -56.33)
CIE-LCH	lch(28.88, 65.73, 301.02°)
OKLab	oklab(40.1% 0.0197 -0.1624)
OKLCH	oklch(40.1% 0.164 276.9)
XYZ	xyz(8.9325, 5.7920, 32.5390)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37359D #9B9D35

analogous

#35679D #37359D #6B359D

triadic

#37359D #9D3735 #359D37

tetradic

#37359D #9D3567 #9B9D35 #359D6B

square

#37359D #9D3567 #9B9D35 #359D6B

split-complementary

#37359D #9D6B35 #679D35

monochromatic

#171641 #27266F #37359D #4F4CC3 #7C7AD2

Accessibility & contrast

On white

9.73

#37359D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#37359D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37359D

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37359D	#FFFFFF	#000000	##FFFFFF
##37359D	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #37359d;
/* rgb */ color: rgb(55, 53, 157);
/* oklch */ color: oklch(40.1% 0.164 276.9);

Tailwind

colors: {
  custom: {
    50: '#7a6dbb',
    500: '#37359d',
    950: '#000000',
  },
}

SCSS

$custom: #37359d;
$custom-light: #7a6dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#37359d",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 157
  },
  "hsl": {
    "h": 241.154,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40095,
    "c": 0.16361,
    "h": 276.9
  },
  "luminance": 0.05793
}

Semantic roles & 50–950 ramp

primary

#37359D

secondary

#BABB73

accent

#D94FD6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37359D

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

Preview Lab → · Contrast checker → · Palette generator →