#403828#403828

#403828 is a dark, muted orange. Relative luminance 0.041; OKLCH L 34.4% C 0.029 H 84.4°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#403828
RGB	rgb(64, 56, 40)
HSL	hsl(40, 23%, 20%)
HSV	hsv(40, 38%, 25%)
CMYK	cmyk(0%, 12.5%, 37.5%, 74.9%)
CIE-LAB	lab(23.91, 0.61, 11.31)
CIE-LCH	lch(23.91, 11.33, 86.89°)
OKLab	oklab(34.43% 0.0028 0.0284)
OKLCH	oklch(34.43% 0.029 84.4)
XYZ	xyz(3.9116, 4.0717, 2.5869)
Luminance	0.0407 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403828 #283040

analogous

#402C28 #403828 #3C4028

triadic

#403828 #284038 #382840

tetradic

#403828 #28402C #283040 #40283C

square

#403828 #28402C #283040 #40283C

split-complementary

#403828 #283C40 #2C2840

monochromatic

#13100C #1A1710 #403828 #665940 #8B7A57

Accessibility & contrast

On white

11.57

#403828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#403828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403828

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403828	#FFFFFF	#000000	##FFFFFF
##403828	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3827

Deuteranopia (green-blind)

#3E3A28

Tritanopia (blue-blind)

#443534

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403828;
/* rgb */ color: rgb(64, 56, 40);
/* oklch */ color: oklch(34.4% 0.029 84.4);

Tailwind

colors: {
  custom: {
    50: '#756e62',
    500: '#403828',
    950: '#000000',
  },
}

SCSS

$custom: #403828;
$custom-light: #756e62;
$custom-dark: #000000;

JSON

{
  "hex": "#403828",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 40
  },
  "hsl": {
    "h": 40,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34428,
    "c": 0.02854,
    "h": 84.4
  },
  "luminance": 0.04072
}

Semantic roles & 50–950 ramp

primary

#403828

secondary

#525D72

accent

#85C068

background

#F7F6F5

surface

#EDEBEA

border

#C8C6C6

text

#080705

muted

#7B7A79

Preview Lab

Preview with #403828

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

Preview Lab → · Contrast checker → · Palette generator →