#404147#404147

#404147 is a dark, near-neutral grey. Relative luminance 0.053; OKLCH L 37.7% C 0.010 H 278.4°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#404147
RGB	rgb(64, 65, 71)
HSL	hsl(231, 5%, 26%)
HSV	hsv(231, 10%, 28%)
CMYK	cmyk(9.9%, 8.5%, 0%, 72.2%)
CIE-LAB	lab(27.64, 0.99, -3.78)
CIE-LCH	lch(27.64, 3.91, 284.61°)
OKLab	oklab(37.66% 0.0015 -0.0101)
OKLCH	oklch(37.66% 0.01 278.4)
XYZ	xyz(5.1417, 5.3255, 6.7170)
Luminance	0.0533 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404147 #474640

analogous

#404547 #404147 #434047

triadic

#404147 #474041 #414740

tetradic

#404147 #474045 #474640 #404743

square

#404147 #474045 #474640 #404743

split-complementary

#404147 #474340 #454740

monochromatic

#0F0F10 #232427 #404147 #5D5E67 #7A7C87

Accessibility & contrast

On white

10.17

#404147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#404147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404147

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404147	#FFFFFF	#000000	##FFFFFF
##404147	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404247

Deuteranopia (green-blind)

#3F4147

Tritanopia (blue-blind)

#3F4243

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404147;
/* rgb */ color: rgb(64, 65, 71);
/* oklch */ color: oklch(37.7% 0.010 278.4);

Tailwind

colors: {
  custom: {
    50: '#74757a',
    500: '#404147',
    950: '#000000',
  },
}

SCSS

$custom: #404147;
$custom-light: #74757a;
$custom-dark: #000000;

JSON

{
  "hex": "#404147",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 71
  },
  "hsl": {
    "h": 231.429,
    "s": 5.185,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.01025,
    "h": 278.4
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#404147

secondary

#76746D

accent

#A779AE

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #404147

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

Preview Lab → · Contrast checker → · Palette generator →