#37348A#37348A

#37348A is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.139 H 279.1°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#37348A
RGB	rgb(55, 52, 138)
HSL	hsl(242, 45%, 37%)
HSV	hsv(242, 62%, 54%)
CMYK	cmyk(60.1%, 62.3%, 0%, 45.9%)
CIE-LAB	lab(27.03, 27.95, -47.69)
CIE-LCH	lch(27.03, 55.27, 300.37°)
OKLab	oklab(38.24% 0.022 -0.137)
OKLCH	oklch(38.24% 0.139 279.1)
XYZ	xyz(7.3895, 5.1027, 24.6353)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37348A #878A34

analogous

#345C8A #37348A #62348A

triadic

#37348A #8A3734 #348A37

tetradic

#37348A #8A345C #878A34 #348A62

square

#37348A #8A345C #878A34 #348A62

split-complementary

#37348A #8A6234 #5C8A34

monochromatic

#141331 #25235E #37348A #4945B6 #736FC9

Accessibility & contrast

On white

10.39

#37348A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#37348A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37348A

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37348A	#FFFFFF	#000000	##FFFFFF
##37348A	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438D

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #37348a;
/* rgb */ color: rgb(55, 52, 138);
/* oklch */ color: oklch(38.2% 0.139 279.1);

Tailwind

colors: {
  custom: {
    50: '#776bad',
    500: '#37348a',
    950: '#000000',
  },
}

SCSS

$custom: #37348a;
$custom-light: #776bad;
$custom-dark: #000000;

JSON

{
  "hex": "#37348a",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 138
  },
  "hsl": {
    "h": 242.093,
    "s": 45.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38236,
    "c": 0.13879,
    "h": 279.1
  },
  "luminance": 0.05103
}

Semantic roles & 50–950 ramp

primary

#37348A

secondary

#AFB169

accent

#D553D0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #37348A

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

Preview Lab → · Contrast checker → · Palette generator →