#403E2B#403E2B

#403E2B is a dark, muted yellow. Relative luminance 0.047; OKLCH L 36.0% C 0.031 H 102.8°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#403E2B
RGB	rgb(64, 62, 43)
HSL	hsl(54, 20%, 21%)
HSV	hsv(54, 33%, 25%)
CMYK	cmyk(0%, 3.1%, 32.8%, 74.9%)
CIE-LAB	lab(25.89, -2.78, 12.03)
CIE-LCH	lch(25.89, 12.35, 103.00°)
OKLab	oklab(36.02% -0.0068 0.0302)
OKLCH	oklch(36.02% 0.031 102.8)
XYZ	xyz(4.2730, 4.7097, 2.9690)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E2B #2B2D40

analogous

#40332B #403E2B #37402B

triadic

#403E2B #2B403E #3E2B40

tetradic

#403E2B #2B4033 #2B2D40 #402B37

square

#403E2B #2B4033 #2B2D40 #402B37

split-complementary

#403E2B #2B3740 #332B40

monochromatic

#12120C #1B1B12 #403E2B #656144 #89855C

Accessibility & contrast

On white

10.81

#403E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E2B

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E2B	#FFFFFF	#000000	##FFFFFF
##403E2B	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413D2A

Deuteranopia (green-blind)

#423E2C

Tritanopia (blue-blind)

#433B39

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e2b;
/* rgb */ color: rgb(64, 62, 43);
/* oklch */ color: oklch(36.0% 0.031 102.8);

Tailwind

colors: {
  custom: {
    50: '#757364',
    500: '#403e2b',
    950: '#000000',
  },
}

SCSS

$custom: #403e2b;
$custom-light: #757364;
$custom-dark: #000000;

JSON

{
  "hex": "#403e2b",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 43
  },
  "hsl": {
    "h": 54.286,
    "s": 19.626,
    "l": 20.98
  },
  "oklch": {
    "l": 0.36016,
    "c": 0.03096,
    "h": 102.8
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#403E2B

secondary

#565871

accent

#73BC6C

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403E2B

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

Preview Lab → · Contrast checker → · Palette generator →