#37307C#37307C

#37307C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.124 H 282.4°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#37307C
RGB	rgb(55, 48, 124)
HSL	hsl(246, 44%, 34%)
HSV	hsv(246, 61%, 49%)
CMYK	cmyk(55.6%, 61.3%, 0%, 51.4%)
CIE-LAB	lab(24.89, 25.76, -42.38)
CIE-LCH	lch(24.89, 49.60, 301.29°)
OKLab	oklab(36.31% 0.0268 -0.1215)
OKLCH	oklch(36.31% 0.124 282.4)
XYZ	xyz(6.2695, 4.3810, 19.5801)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37307C #757C30

analogous

#304F7C #37307C #5D307C

triadic

#37307C #7C3730 #307C37

tetradic

#37307C #7C304F #757C30 #307C5D

square

#37307C #7C304F #757C30 #307C5D

split-complementary

#37307C #7C5D30 #4F7C30

monochromatic

#100E24 #231F50 #37307C #4B41A8 #6C64C3

Accessibility & contrast

On white

11.19

#37307C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#37307C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37307C

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37307C	#FFFFFF	#000000	##FFFFFF
##37307C	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7F

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#194251

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #37307c;
/* rgb */ color: rgb(55, 48, 124);
/* oklch */ color: oklch(36.3% 0.124 282.4);

Tailwind

colors: {
  custom: {
    50: '#7468a2',
    500: '#37307c',
    950: '#000000',
  },
}

SCSS

$custom: #37307c;
$custom-light: #7468a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37307c",
  "rgb": {
    "r": 55,
    "g": 48,
    "b": 124
  },
  "hsl": {
    "h": 245.526,
    "s": 44.186,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36313,
    "c": 0.12438,
    "h": 282.4
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#37307C

secondary

#A3AA5E

accent

#D454C8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37307C

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

Preview Lab → · Contrast checker → · Palette generator →