#37307A#37307A

#37307A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.121 H 282.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#37307A
RGB	rgb(55, 48, 122)
HSL	hsl(246, 44%, 33%)
HSV	hsv(246, 61%, 48%)
CMYK	cmyk(54.9%, 60.7%, 0%, 52.2%)
CIE-LAB	lab(24.74, 25.08, -41.37)
CIE-LCH	lch(24.74, 48.38, 301.23°)
OKLab	oklab(36.15% 0.0268 -0.1185)
OKLCH	oklch(36.15% 0.121 282.7)
XYZ	xyz(6.1443, 4.3309, 18.9208)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37307A #737A30

analogous

#304E7A #37307A #5C307A

triadic

#37307A #7A3730 #307A37

tetradic

#37307A #7A304E #737A30 #307A5C

square

#37307A #7A304E #737A30 #307A5C

split-complementary

#37307A #7A5C30 #4E7A30

monochromatic

#0F0D22 #231F4E #37307A #4B41A6 #6C63C2

Accessibility & contrast

On white

11.25

#37307A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#37307A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37307A

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37307A	#FFFFFF	#000000	##FFFFFF
##37307A	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7C

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#1B4150

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #37307a;
/* rgb */ color: rgb(55, 48, 122);
/* oklch */ color: oklch(36.1% 0.121 282.7);

Tailwind

colors: {
  custom: {
    50: '#7468a1',
    500: '#37307a',
    950: '#000000',
  },
}

SCSS

$custom: #37307a;
$custom-light: #7468a1;
$custom-dark: #000000;

JSON

{
  "hex": "#37307a",
  "rgb": {
    "r": 55,
    "g": 48,
    "b": 122
  },
  "hsl": {
    "h": 245.676,
    "s": 43.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36148,
    "c": 0.12148,
    "h": 282.7
  },
  "luminance": 0.04331
}

Semantic roles & 50–950 ramp

primary

#37307A

secondary

#A2A95D

accent

#D355C7

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37307A

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

Preview Lab → · Contrast checker → · Palette generator →