#403E28#403E28

#403E28 is a dark, muted yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.035 H 103.6°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#403E28
RGB	rgb(64, 62, 40)
HSL	hsl(55, 23%, 20%)
HSV	hsv(55, 38%, 25%)
CMYK	cmyk(0%, 3.1%, 37.5%, 74.9%)
CIE-LAB	lab(25.83, -3.24, 13.87)
CIE-LCH	lch(25.83, 14.24, 103.17°)
OKLab	oklab(35.95% -0.0083 0.0345)
OKLCH	oklch(35.95% 0.035 103.6)
XYZ	xyz(4.2200, 4.6885, 2.6897)
Luminance	0.0469 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E28 #282A40

analogous

#403228 #403E28 #364028

triadic

#403E28 #28403E #3E2840

tetradic

#403E28 #284032 #282A40 #402836

square

#403E28 #284032 #282A40 #402836

split-complementary

#403E28 #283640 #322840

monochromatic

#13120C #1A1A10 #403E28 #666240 #8B8757

Accessibility & contrast

On white

10.84

#403E28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403E28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E28

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E28	#FFFFFF	#000000	##FFFFFF
##403E28	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423C26

Deuteranopia (green-blind)

#433E29

Tritanopia (blue-blind)

#433B38

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e28;
/* rgb */ color: rgb(64, 62, 40);
/* oklch */ color: oklch(35.9% 0.035 103.6);

Tailwind

colors: {
  custom: {
    50: '#757362',
    500: '#403e28',
    950: '#000000',
  },
}

SCSS

$custom: #403e28;
$custom-light: #757362;
$custom-dark: #000000;

JSON

{
  "hex": "#403e28",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 55,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.35945,
    "c": 0.03545,
    "h": 103.6
  },
  "luminance": 0.04688
}

Semantic roles & 50–950 ramp

primary

#403E28

secondary

#525572

accent

#70C068

background

#F7F6F5

surface

#EDECEA

border

#C8C7C6

text

#080805

muted

#7B7B79

Preview Lab

Preview with #403E28

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

Preview Lab → · Contrast checker → · Palette generator →