#404148#404148

#404148 is a dark, near-neutral grey. Relative luminance 0.053; OKLCH L 37.7% C 0.012 H 279.4°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#404148
RGB	rgb(64, 65, 72)
HSL	hsl(233, 6%, 27%)
HSV	hsv(233, 11%, 28%)
CMYK	cmyk(11.1%, 9.7%, 0%, 71.8%)
CIE-LAB	lab(27.68, 1.23, -4.38)
CIE-LCH	lch(27.68, 4.55, 285.68°)
OKLab	oklab(37.7% 0.0019 -0.0118)
OKLCH	oklch(37.7% 0.012 279.4)
XYZ	xyz(5.1741, 5.3384, 6.8875)
Luminance	0.0534 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404148 #484740

analogous

#404548 #404148 #434048

triadic

#404148 #484041 #414840

tetradic

#404148 #484045 #484740 #404843

square

#404148 #484045 #484740 #404843

split-complementary

#404148 #484340 #454840

monochromatic

#0E0F10 #232428 #404148 #5D5E68 #7A7C89

Accessibility & contrast

On white

10.16

#404148 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#404148 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404148

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404148	#FFFFFF	#000000	##FFFFFF
##404148	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4248

Deuteranopia (green-blind)

#3F4148

Tritanopia (blue-blind)

#3E4243

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404148;
/* rgb */ color: rgb(64, 65, 72);
/* oklch */ color: oklch(37.7% 0.012 279.4);

Tailwind

colors: {
  custom: {
    50: '#74757b',
    500: '#404148',
    950: '#000000',
  },
}

SCSS

$custom: #404148;
$custom-light: #74757b;
$custom-dark: #000000;

JSON

{
  "hex": "#404148",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 72
  },
  "hsl": {
    "h": 232.5,
    "s": 5.882,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37698,
    "c": 0.01194,
    "h": 279.4
  },
  "luminance": 0.05338
}

Semantic roles & 50–950 ramp

primary

#404148

secondary

#77756D

accent

#A879AF

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #404148

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

Preview Lab → · Contrast checker → · Palette generator →