#37347E#37347E

#37347E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.122 H 280.5°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#37347E
RGB	rgb(55, 52, 126)
HSL	hsl(242, 42%, 35%)
HSV	hsv(242, 59%, 49%)
CMYK	cmyk(56.3%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(26.08, 23.80, -41.72)
CIE-LCH	lch(26.08, 48.03, 299.70°)
OKLab	oklab(37.24% 0.0222 -0.1195)
OKLCH	oklch(37.24% 0.122 280.5)
XYZ	xyz(6.5683, 4.7742, 20.3100)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37347E #7B7E34

analogous

#34567E #37347E #5C347E

triadic

#37347E #7E3734 #347E37

tetradic

#37347E #7E3456 #7B7E34 #347E5C

square

#37347E #7E3456 #7B7E34 #347E5C

split-complementary

#37347E #7E5C34 #567E34

monochromatic

#111027 #242253 #37347E #4A46A9 #6E6BC2

Accessibility & contrast

On white

10.74

#37347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#37347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37347E

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37347E	#FFFFFF	#000000	##FFFFFF
##37347E	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004180

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#164553

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #37347e;
/* rgb */ color: rgb(55, 52, 126);
/* oklch */ color: oklch(37.2% 0.122 280.5);

Tailwind

colors: {
  custom: {
    50: '#756ba4',
    500: '#37347e',
    950: '#000000',
  },
}

SCSS

$custom: #37347e;
$custom-light: #756ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#37347e",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 242.432,
    "s": 41.573,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37241,
    "c": 0.12154,
    "h": 280.5
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#37347E

secondary

#A7AA64

accent

#D156CC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37347E

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

Preview Lab → · Contrast checker → · Palette generator →