#37347A#37347A

#37347A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.9% C 0.116 H 281.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#37347A
RGB	rgb(55, 52, 122)
HSL	hsl(243, 40%, 34%)
HSV	hsv(243, 57%, 48%)
CMYK	cmyk(54.9%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(25.78, 22.42, -39.68)
CIE-LCH	lch(25.78, 45.58, 299.47°)
OKLab	oklab(36.92% 0.0221 -0.1135)
OKLCH	oklch(36.92% 0.116 281)
XYZ	xyz(6.3153, 4.6730, 18.9778)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37347A #777A34

analogous

#34547A #37347A #5A347A

triadic

#37347A #7A3734 #347A37

tetradic

#37347A #7A3454 #777A34 #347A5A

square

#37347A #7A3454 #777A34 #347A5A

split-complementary

#37347A #7A5A34 #547A34

monochromatic

#100F24 #24224F #37347A #4A46A5 #6D69BF

Accessibility & contrast

On white

10.85

#37347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#37347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37347A

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37347A	#FFFFFF	#000000	##FFFFFF
##37347A	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07407C

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#1A4451

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #37347a;
/* rgb */ color: rgb(55, 52, 122);
/* oklch */ color: oklch(36.9% 0.116 281.0);

Tailwind

colors: {
  custom: {
    50: '#746ba1',
    500: '#37347a',
    950: '#000000',
  },
}

SCSS

$custom: #37347a;
$custom-light: #746ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#37347a",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 242.571,
    "s": 40.23,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36923,
    "c": 0.11563,
    "h": 281
  },
  "luminance": 0.04673
}

Semantic roles & 50–950 ramp

primary

#37347A

secondary

#A4A763

accent

#D058CB

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37347A

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

Preview Lab → · Contrast checker → · Palette generator →