#37349D#37349D

#37349D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.165 H 277.1°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#37349D
RGB	rgb(55, 52, 157)
HSL	hsl(242, 50%, 41%)
HSV	hsv(242, 67%, 62%)
CMYK	cmyk(65%, 66.9%, 0%, 38.4%)
CIE-LAB	lab(28.65, 34.50, -56.72)
CIE-LCH	lch(28.65, 66.38, 301.31°)
OKLab	oklab(39.92% 0.0205 -0.1635)
OKLCH	oklch(39.92% 0.165 277.1)
XYZ	xyz(8.8874, 5.7018, 32.5240)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37349D #9A9D34

analogous

#34659D #37349D #6B349D

triadic

#37349D #9D3734 #349D37

tetradic

#37349D #9D3465 #9A9D34 #349D6B

square

#37349D #9D3465 #9A9D34 #349D6B

split-complementary

#37349D #9D6B34 #659D34

monochromatic

#171641 #27256F #37349D #4E4BC3 #7B79D3

Accessibility & contrast

On white

9.81

#37349D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#37349D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37349D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37349D	#FFFFFF	#000000	##FFFFFF
##37349D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #37349d;
/* rgb */ color: rgb(55, 52, 157);
/* oklch */ color: oklch(39.9% 0.165 277.1);

Tailwind

colors: {
  custom: {
    50: '#7b6cbb',
    500: '#37349d',
    950: '#000000',
  },
}

SCSS

$custom: #37349d;
$custom-light: #7b6cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#37349d",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 157
  },
  "hsl": {
    "h": 241.714,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39925,
    "c": 0.16482,
    "h": 277.1
  },
  "luminance": 0.05703
}

Semantic roles & 50–950 ramp

primary

#37349D

secondary

#B9BB72

accent

#DA4ED6

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37349D

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

Preview Lab → · Contrast checker → · Palette generator →