#404339#404339

#404339 is a dark, near-neutral yellow-green. Relative luminance 0.054; OKLCH L 37.7% C 0.017 H 120.8°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#404339
RGB	rgb(64, 67, 57)
HSL	hsl(78, 8%, 24%)
HSV	hsv(78, 15%, 26%)
CMYK	cmyk(4.5%, 0%, 14.9%, 73.7%)
CIE-LAB	lab(27.84, -3.40, 5.65)
CIE-LCH	lch(27.84, 6.60, 121.05°)
OKLab	oklab(37.67% -0.0087 0.0147)
OKLCH	oklch(37.67% 0.017 120.8)
XYZ	xyz(4.8599, 5.3997, 4.6563)
Luminance	0.0540 (WCAG relative)
Temperature	neutral
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404339 #3C3943

analogous

#434139 #404339 #3B4339

triadic

#404339 #394043 #433940

tetradic

#404339 #394341 #3C3943 #43393B

square

#404339 #394341 #3C3943 #43393B

split-complementary

#404339 #393B43 #413943

monochromatic

#10110E #20221D #404339 #606455 #7F8571

Accessibility & contrast

On white

10.10

#404339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#404339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404339

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404339	#FFFFFF	#000000	##FFFFFF
##404339	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444238

Deuteranopia (green-blind)

#444239

Tritanopia (blue-blind)

#414240

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #404339;
/* rgb */ color: rgb(64, 67, 57);
/* oklch */ color: oklch(37.7% 0.017 120.8);

Tailwind

colors: {
  custom: {
    50: '#74776f',
    500: '#404339',
    950: '#000000',
  },
}

SCSS

$custom: #404339;
$custom-light: #74776f;
$custom-dark: #000000;

JSON

{
  "hex": "#404339",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 57
  },
  "hsl": {
    "h": 78,
    "s": 8.065,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37674,
    "c": 0.01705,
    "h": 120.8
  },
  "luminance": 0.054
}

Semantic roles & 50–950 ramp

primary

#404339

secondary

#696672

accent

#77B188

background

#F7F7F6

surface

#EDEDEC

border

#C8C8C7

text

#080807

muted

#7B7B7A

Preview Lab

Preview with #404339

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

Preview Lab → · Contrast checker → · Palette generator →