#373F4E#373F4E

#373F4E is a dark, muted blue. Relative luminance 0.049; OKLCH L 36.7% C 0.028 H 262.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#373F4E
RGB	rgb(55, 63, 78)
HSL	hsl(219, 17%, 26%)
HSV	hsv(219, 29%, 31%)
CMYK	cmyk(29.5%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(26.50, 0.71, -10.17)
CIE-LCH	lch(26.50, 10.19, 273.97°)
OKLab	oklab(36.65% -0.0034 -0.0279)
OKLCH	oklch(36.65% 0.028 262.9)
XYZ	xyz(4.7278, 4.9171, 7.9063)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373F4E #4E4637

analogous

#374A4E #373F4E #3A374E

triadic

#373F4E #4E373F #3F4E37

tetradic

#373F4E #4E374A #4E4637 #374E3A

square

#373F4E #4E374A #4E4637 #374E3A

split-complementary

#373F4E #4E3A37 #4A4E37

monochromatic

#0D0E12 #1E222A #373F4E #505C72 #6A7996

Accessibility & contrast

On white

10.59

#373F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#373F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373F4E

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373F4E	#FFFFFF	#000000	##FFFFFF
##373F4E	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A404F

Deuteranopia (green-blind)

#383E4E

Tritanopia (blue-blind)

#314244

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #373f4e;
/* rgb */ color: rgb(55, 63, 78);
/* oklch */ color: oklch(36.7% 0.028 262.9);

Tailwind

colors: {
  custom: {
    50: '#6e747f',
    500: '#373f4e',
    950: '#000000',
  },
}

SCSS

$custom: #373f4e;
$custom-light: #6e747f;
$custom-dark: #000000;

JSON

{
  "hex": "#373f4e",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 219.13,
    "s": 17.293,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36654,
    "c": 0.02808,
    "h": 262.9
  },
  "luminance": 0.04917
}

Semantic roles & 50–950 ramp

primary

#373F4E

secondary

#7E7563

accent

#9F6EBA

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #373F4E

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

Preview Lab → · Contrast checker → · Palette generator →