#374151#374151

#374151 is a dark, muted blue. Relative luminance 0.052; OKLCH L 37.3% C 0.031 H 259.7°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#374151
RGB	rgb(55, 65, 81)
HSL	hsl(217, 19%, 27%)
HSV	hsv(217, 32%, 32%)
CMYK	cmyk(32.1%, 19.8%, 0%, 68.2%)
CIE-LAB	lab(27.26, 0.26, -10.97)
CIE-LCH	lch(27.26, 10.97, 271.37°)
OKLab	oklab(37.29% -0.0055 -0.0301)
OKLCH	oklch(37.29% 0.031 259.7)
XYZ	xyz(4.9506, 5.1867, 8.5233)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374151 #514737

analogous

#374E51 #374151 #3A3751

triadic

#374151 #513741 #415137

tetradic

#374151 #51374E #514737 #37513A

square

#374151 #51374E #514737 #37513A

split-complementary

#374151 #513A37 #4E5137

monochromatic

#0C0F12 #1E242D #374151 #505E75 #697C99

Accessibility & contrast

On white

10.31

#374151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#374151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374151

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374151	#FFFFFF	#000000	##FFFFFF
##374151	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4252

Deuteranopia (green-blind)

#393F51

Tritanopia (blue-blind)

#304446

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #374151;
/* rgb */ color: rgb(55, 65, 81);
/* oklch */ color: oklch(37.3% 0.031 259.7);

Tailwind

colors: {
  custom: {
    50: '#6e7581',
    500: '#374151',
    950: '#000000',
  },
}

SCSS

$custom: #374151;
$custom-light: #6e7581;
$custom-dark: #000000;

JSON

{
  "hex": "#374151",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 216.923,
    "s": 19.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37293,
    "c": 0.03062,
    "h": 259.7
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#374151

secondary

#817563

accent

#9D6CBC

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #374151

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

Preview Lab → · Contrast checker → · Palette generator →