#39403A#39403A

#39403A is a dark, near-neutral grey. Relative luminance 0.048; OKLCH L 36.3% C 0.014 H 149.5°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#39403A
RGB	rgb(57, 64, 58)
HSL	hsl(129, 6%, 24%)
HSV	hsv(129, 11%, 25%)
CMYK	cmyk(10.9%, 0%, 9.4%, 74.9%)
CIE-LAB	lab(26.28, -4.30, 2.68)
CIE-LCH	lch(26.28, 5.07, 148.02°)
OKLab	oklab(36.29% -0.0119 0.007)
OKLCH	oklch(36.29% 0.014 149.5)
XYZ	xyz(4.2843, 4.8421, 4.7111)
Luminance	0.0484 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39403A #40393F

analogous

#3B4039 #39403A #39403D

triadic

#39403A #3A3940 #403A39

tetradic

#39403A #393B40 #40393F #403D39

square

#39403A #393B40 #40393F #403D39

split-complementary

#39403A #3D3940 #40393B

monochromatic

#0E100F #1C201D #39403A #566057 #738175

Accessibility & contrast

On white

10.67

#39403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#39403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39403A

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39403A	#FFFFFF	#000000	##FFFFFF
##39403A	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403F3A

Deuteranopia (green-blind)

#3F3E3A

Tritanopia (blue-blind)

#38403E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #39403a;
/* rgb */ color: rgb(57, 64, 58);
/* oklch */ color: oklch(36.3% 0.014 149.5);

Tailwind

colors: {
  custom: {
    50: '#6f7470',
    500: '#39403a',
    950: '#000000',
  },
}

SCSS

$custom: #39403a;
$custom-light: #6f7470;
$custom-dark: #000000;

JSON

{
  "hex": "#39403a",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 128.571,
    "s": 5.785,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3629,
    "c": 0.01379,
    "h": 149.5
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary

#39403A

secondary

#6F666D

accent

#79A7AF

background

#F6F7F6

surface

#ECEDEC

border

#C7C8C7

text

#070807

muted

#7A7B7A

Preview Lab

Preview with #39403A

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

Preview Lab → · Contrast checker → · Palette generator →