#373D73#373D73

#373D73 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.091 H 276.4°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#373D73
RGB	rgb(55, 61, 115)
HSL	hsl(234, 35%, 33%)
HSV	hsv(234, 52%, 45%)
CMYK	cmyk(52.2%, 47%, 0%, 54.9%)
CIE-LAB	lab(27.81, 13.92, -31.99)
CIE-LCH	lch(27.81, 34.89, 293.51°)
OKLab	oklab(38.3% 0.0102 -0.0908)
OKLCH	oklch(38.3% 0.091 276.4)
XYZ	xyz(6.3378, 5.3871, 16.9222)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373D73 #736D37

analogous

#375B73 #373D73 #4F3773

triadic

#373D73 #73373D #3D7337

tetradic

#373D73 #73375B #736D37 #37734F

square

#373D73 #73375B #736D37 #37734F

split-complementary

#373D73 #734F37 #5B7337

monochromatic

#0F1120 #23274A #373D73 #4B539C #6C73B9

Accessibility & contrast

On white

10.11

#373D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#373D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373D73

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373D73	#FFFFFF	#000000	##FFFFFF
##373D73	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264475

Deuteranopia (green-blind)

#213F72

Tritanopia (blue-blind)

#1F4952

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #373d73;
/* rgb */ color: rgb(55, 61, 115);
/* oklch */ color: oklch(38.3% 0.091 276.4);

Tailwind

colors: {
  custom: {
    50: '#72729b',
    500: '#373d73',
    950: '#000000',
  },
}

SCSS

$custom: #373d73;
$custom-light: #72729b;
$custom-dark: #000000;

JSON

{
  "hex": "#373d73",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 234,
    "s": 35.294,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38297,
    "c": 0.0914,
    "h": 276.4
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#373D73

secondary

#A29B64

accent

#C05CCB

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #373D73

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

Preview Lab → · Contrast checker → · Palette generator →