#37359E#37359E

#37359E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.2% C 0.165 H 276.8°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#37359E
RGB	rgb(55, 53, 158)
HSL	hsl(241, 50%, 41%)
HSV	hsv(241, 66%, 62%)
CMYK	cmyk(65.2%, 66.5%, 0%, 38%)
CIE-LAB	lab(28.97, 34.21, -56.80)
CIE-LCH	lch(28.97, 66.31, 301.07°)
OKLab	oklab(40.19% 0.0196 -0.1638)
OKLCH	oklch(40.19% 0.165 276.8)
XYZ	xyz(9.0182, 5.8263, 32.9905)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37359E #9C9E35

analogous

#35689E #37359E #6C359E

triadic

#37359E #9E3735 #359E37

tetradic

#37359E #9E3568 #9C9E35 #359E6C

square

#37359E #9E3568 #9C9E35 #359E6C

split-complementary

#37359E #9E6C35 #689E35

monochromatic

#171642 #272670 #37359E #4F4DC3 #7C7BD3

Accessibility & contrast

On white

9.70

#37359E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#37359E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37359E

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37359E	#FFFFFF	#000000	##FFFFFF
##37359E	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #37359e;
/* rgb */ color: rgb(55, 53, 158);
/* oklch */ color: oklch(40.2% 0.165 276.8);

Tailwind

colors: {
  custom: {
    50: '#7b6dbc',
    500: '#37359e',
    950: '#000000',
  },
}

SCSS

$custom: #37359e;
$custom-light: #7b6dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#37359e",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 158
  },
  "hsl": {
    "h": 241.143,
    "s": 49.763,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40187,
    "c": 0.16495,
    "h": 276.8
  },
  "luminance": 0.05827
}

Semantic roles & 50–950 ramp

primary

#37359E

secondary

#BABB73

accent

#D94FD7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37359E

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

Preview Lab → · Contrast checker → · Palette generator →