#403E2F#403E2F

#403E2F is a dark, muted yellow. Relative luminance 0.047; OKLCH L 36.1% C 0.025 H 101.2°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#403E2F
RGB	rgb(64, 62, 47)
HSL	hsl(53, 15%, 22%)
HSV	hsv(53, 27%, 25%)
CMYK	cmyk(0%, 3.1%, 26.6%, 74.9%)
CIE-LAB	lab(25.98, -2.11, 9.56)
CIE-LCH	lch(25.98, 9.79, 102.43°)
OKLab	oklab(36.12% -0.0048 0.0243)
OKLCH	oklch(36.12% 0.025 101.2)
XYZ	xyz(4.3501, 4.7405, 3.3746)
Luminance	0.0474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E2F #2F3140

analogous

#40362F #403E2F #3A402F

triadic

#403E2F #2F403E #3E2F40

tetradic

#403E2F #2F4036 #2F3140 #402F3A

square

#403E2F #2F4036 #2F3140 #402F3A

split-complementary

#403E2F #2F3A40 #362F40

monochromatic

#12110D #1D1C15 #403E2F #636049 #878263

Accessibility & contrast

On white

10.78

#403E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#403E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E2F

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E2F	#FFFFFF	#000000	##FFFFFF
##403E2F	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413D2E

Deuteranopia (green-blind)

#423E30

Tritanopia (blue-blind)

#433C3A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e2f;
/* rgb */ color: rgb(64, 62, 47);
/* oklch */ color: oklch(36.1% 0.025 101.2);

Tailwind

colors: {
  custom: {
    50: '#757367',
    500: '#403e2f',
    950: '#000000',
  },
}

SCSS

$custom: #403e2f;
$custom-light: #757367;
$custom-dark: #000000;

JSON

{
  "hex": "#403e2f",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 52.941,
    "s": 15.315,
    "l": 21.765
  },
  "oklch": {
    "l": 0.36118,
    "c": 0.02478,
    "h": 101.2
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#403E2F

secondary

#5B5D70

accent

#78B870

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080806

muted

#7B7B7A

Preview Lab

Preview with #403E2F

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

Preview Lab → · Contrast checker → · Palette generator →