#373545#373545

#373545 is a dark, muted blue. Relative luminance 0.038; OKLCH L 33.8% C 0.028 H 290.6°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#373545
RGB	rgb(55, 53, 69)
HSL	hsl(248, 13%, 24%)
HSV	hsv(248, 23%, 27%)
CMYK	cmyk(20.3%, 23.2%, 0%, 72.9%)
CIE-LAB	lab(22.96, 4.87, -9.58)
CIE-LCH	lch(22.96, 10.75, 296.92°)
OKLab	oklab(33.77% 0.0098 -0.0262)
OKLCH	oklch(33.77% 0.028 290.6)
XYZ	xyz(3.9226, 3.7881, 6.1536)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373545 #434535

analogous

#353B45 #373545 #3F3545

triadic

#373545 #453735 #354537

tetradic

#373545 #45353B #434535 #35453F

square

#373545 #45353B #434535 #35453F

split-complementary

#373545 #453F35 #3B4535

monochromatic

#0E0D11 #1B1A22 #373545 #535068 #6E6A8A

Accessibility & contrast

On white

11.95

#373545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#373545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373545

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373545	#FFFFFF	#000000	##FFFFFF
##373545	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313746

Deuteranopia (green-blind)

#313645

Tritanopia (blue-blind)

#34383A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #373545;
/* rgb */ color: rgb(55, 53, 69);
/* oklch */ color: oklch(33.8% 0.028 290.6);

Tailwind

colors: {
  custom: {
    50: '#6e6c78',
    500: '#373545',
    950: '#000000',
  },
}

SCSS

$custom: #373545;
$custom-light: #6e6c78;
$custom-dark: #000000;

JSON

{
  "hex": "#373545",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 69
  },
  "hsl": {
    "h": 247.5,
    "s": 13.115,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33767,
    "c": 0.02794,
    "h": 290.6
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#373545

secondary

#727561

accent

#B672AD

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#070609

muted

#7A7A7B

Preview Lab

Preview with #373545

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

Preview Lab → · Contrast checker → · Palette generator →