#37339A#37339A

#37339A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.162 H 277.7°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#37339A
RGB	rgb(55, 51, 154)
HSL	hsl(242, 50%, 40%)
HSV	hsv(242, 67%, 60%)
CMYK	cmyk(64.3%, 66.9%, 0%, 39.6%)
CIE-LAB	lab(28.15, 34.09, -55.71)
CIE-LCH	lch(28.15, 65.31, 301.47°)
OKLab	oklab(39.48% 0.0217 -0.1606)
OKLCH	oklch(39.48% 0.162 277.7)
XYZ	xyz(8.5902, 5.5123, 31.1769)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37339A #969A33

analogous

#33629A #37339A #6A339A

triadic

#37339A #9A3733 #339A37

tetradic

#37339A #9A3362 #969A33 #339A6A

square

#37339A #9A3362 #969A33 #339A6A

split-complementary

#37339A #9A6A33 #629A33

monochromatic

#16153E #27246C #37339A #4D48C2 #7976D2

Accessibility & contrast

On white

9.99

#37339A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#37339A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37339A

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37339A	#FFFFFF	#000000	##FFFFFF
##37339A	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #37339a;
/* rgb */ color: rgb(55, 51, 154);
/* oklch */ color: oklch(39.5% 0.162 277.7);

Tailwind

colors: {
  custom: {
    50: '#7a6bb9',
    500: '#37339a',
    950: '#000000',
  },
}

SCSS

$custom: #37339a;
$custom-light: #7a6bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#37339a",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 154
  },
  "hsl": {
    "h": 242.33,
    "s": 50.244,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39479,
    "c": 0.16204,
    "h": 277.7
  },
  "luminance": 0.05513
}

Semantic roles & 50–950 ramp

primary

#37339A

secondary

#B7BA6F

accent

#DA4ED4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #37339A

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

Preview Lab → · Contrast checker → · Palette generator →