#373D4E#373D4E

#373D4E is a dark, muted blue. Relative luminance 0.047; OKLCH L 36.2% C 0.031 H 269.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#373D4E
RGB	rgb(55, 61, 78)
HSL	hsl(224, 17%, 26%)
HSV	hsv(224, 29%, 31%)
CMYK	cmyk(29.5%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(25.86, 2.03, -11.14)
CIE-LCH	lch(25.86, 11.32, 280.32°)
OKLab	oklab(36.16% -0.0002 -0.0306)
OKLCH	oklch(36.16% 0.031 269.7)
XYZ	xyz(4.6191, 4.6996, 7.8700)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373D4E #4E4837

analogous

#37484E #373D4E #3C374E

triadic

#373D4E #4E373D #3D4E37

tetradic

#373D4E #4E3748 #4E4837 #374E3C

square

#373D4E #4E3748 #4E4837 #374E3C

split-complementary

#373D4E #4E3C37 #484E37

monochromatic

#0D0E12 #1E212A #373D4E #505972 #6A7596

Accessibility & contrast

On white

10.82

#373D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#373D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373D4E

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373D4E	#FFFFFF	#000000	##FFFFFF
##373D4E	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4F

Deuteranopia (green-blind)

#363C4E

Tritanopia (blue-blind)

#314043

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #373d4e;
/* rgb */ color: rgb(55, 61, 78);
/* oklch */ color: oklch(36.2% 0.031 269.7);

Tailwind

colors: {
  custom: {
    50: '#6e727f',
    500: '#373d4e',
    950: '#000000',
  },
}

SCSS

$custom: #373d4e;
$custom-light: #6e727f;
$custom-dark: #000000;

JSON

{
  "hex": "#373d4e",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 224.348,
    "s": 17.293,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36156,
    "c": 0.03058,
    "h": 269.7
  },
  "luminance": 0.047
}

Semantic roles & 50–950 ramp

primary

#373D4E

secondary

#7E7763

accent

#A66EBA

background

#F6F6F7

surface

#ECECEE

border

#C7C7C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #373D4E

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

Preview Lab → · Contrast checker → · Palette generator →