#403E2C#403E2C

#403E2C is a dark, muted yellow. Relative luminance 0.047; OKLCH L 36.0% C 0.029 H 102.4°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#403E2C
RGB	rgb(64, 62, 44)
HSL	hsl(54, 19%, 21%)
HSV	hsv(54, 31%, 25%)
CMYK	cmyk(0%, 3.1%, 31.2%, 74.9%)
CIE-LAB	lab(25.91, -2.62, 11.41)
CIE-LCH	lch(25.91, 11.71, 102.91°)
OKLab	oklab(36.04% -0.0063 0.0287)
OKLCH	oklch(36.04% 0.029 102.4)
XYZ	xyz(4.2916, 4.7172, 3.0668)
Luminance	0.0472 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E2C #2C2E40

analogous

#40342C #403E2C #38402C

triadic

#403E2C #2C403E #3E2C40

tetradic

#403E2C #2C4034 #2C2E40 #402C38

square

#403E2C #2C4034 #2C2E40 #402C38

split-complementary

#403E2C #2C3840 #342C40

monochromatic

#12120C #1C1B13 #403E2C #646145 #89845E

Accessibility & contrast

On white

10.81

#403E2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403E2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E2C

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E2C	#FFFFFF	#000000	##FFFFFF
##403E2C	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)

#413D2B

Deuteranopia (green-blind)

#423E2D

Tritanopia (blue-blind)

#433C39

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e2c;
/* rgb */ color: rgb(64, 62, 44);
/* oklch */ color: oklch(36.0% 0.029 102.4);

Tailwind

colors: {
  custom: {
    50: '#757365',
    500: '#403e2c',
    950: '#000000',
  },
}

SCSS

$custom: #403e2c;
$custom-light: #757365;
$custom-dark: #000000;

JSON

{
  "hex": "#403e2c",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 44
  },
  "hsl": {
    "h": 54,
    "s": 18.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3604,
    "c": 0.02943,
    "h": 102.4
  },
  "luminance": 0.04717
}

Semantic roles & 50–950 ramp

primary

#403E2C

secondary

#575A71

accent

#74BB6D

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403E2C

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

Preview Lab → · Contrast checker → · Palette generator →