#37349B#37349B

#37349B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.162 H 277.3°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#37349B
RGB	rgb(55, 52, 155)
HSL	hsl(242, 50%, 41%)
HSV	hsv(242, 66%, 61%)
CMYK	cmyk(64.5%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(28.47, 33.81, -55.79)
CIE-LCH	lch(28.47, 65.23, 301.22°)
OKLab	oklab(39.74% 0.0207 -0.1608)
OKLCH	oklch(39.74% 0.162 277.3)
XYZ	xyz(8.7180, 5.6341, 31.6321)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37349B #989B34

analogous

#34649B #37349B #6B349B

triadic

#37349B #9B3734 #349B37

tetradic

#37349B #9B3464 #989B34 #349B6B

square

#37349B #9B3464 #989B34 #349B6B

split-complementary

#37349B #9B6B34 #649B34

monochromatic

#16153F #27256D #37349B #4D4AC2 #7A78D2

Accessibility & contrast

On white

9.87

#37349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#37349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37349B

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37349B	#FFFFFF	#000000	##FFFFFF
##37349B	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #37349b;
/* rgb */ color: rgb(55, 52, 155);
/* oklch */ color: oklch(39.7% 0.162 277.3);

Tailwind

colors: {
  custom: {
    50: '#7a6cb9',
    500: '#37349b',
    950: '#000000',
  },
}

SCSS

$custom: #37349b;
$custom-light: #7a6cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#37349b",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 241.748,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39741,
    "c": 0.16216,
    "h": 277.3
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#37349B

secondary

#B8BA71

accent

#D94FD5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37349B

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

Preview Lab → · Contrast checker → · Palette generator →