#37349E#37349E

#37349E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.166 H 277.0°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#37349E
RGB	rgb(55, 52, 158)
HSL	hsl(242, 50%, 41%)
HSV	hsv(242, 67%, 62%)
CMYK	cmyk(65.2%, 67.1%, 0%, 38%)
CIE-LAB	lab(28.74, 34.84, -57.18)
CIE-LCH	lch(28.74, 66.96, 301.35°)
OKLab	oklab(40.02% 0.0204 -0.1649)
OKLCH	oklch(40.02% 0.166 277)
XYZ	xyz(8.9731, 5.7361, 32.9754)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37349E #9B9E34

analogous

#34669E #37349E #6C349E

triadic

#37349E #9E3734 #349E37

tetradic

#37349E #9E3466 #9B9E34 #349E6C

square

#37349E #9E3466 #9B9E34 #349E6C

split-complementary

#37349E #9E6C34 #669E34

monochromatic

#171642 #272570 #37349E #4F4BC4 #7C79D3

Accessibility & contrast

On white

9.78

#37349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#37349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37349E

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37349E	#FFFFFF	#000000	##FFFFFF
##37349E	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #37349e;
/* rgb */ color: rgb(55, 52, 158);
/* oklch */ color: oklch(40.0% 0.166 277.0);

Tailwind

colors: {
  custom: {
    50: '#7b6cbc',
    500: '#37349e',
    950: '#000000',
  },
}

SCSS

$custom: #37349e;
$custom-light: #7b6cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#37349e",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 241.698,
    "s": 50.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40017,
    "c": 0.16616,
    "h": 277
  },
  "luminance": 0.05737
}

Semantic roles & 50–950 ramp

primary

#37349E

secondary

#BABC72

accent

#DA4ED6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37349E

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

Preview Lab → · Contrast checker → · Palette generator →