#403F2A#403F2A

#403F2A is a dark, muted yellow. Relative luminance 0.048; OKLCH L 36.2% C 0.034 H 105.7°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#403F2A
RGB	rgb(64, 63, 42)
HSL	hsl(57, 21%, 21%)
HSV	hsv(57, 34%, 25%)
CMYK	cmyk(0%, 1.6%, 34.4%, 74.9%)
CIE-LAB	lab(26.19, -3.57, 13.07)
CIE-LCH	lch(26.19, 13.55, 105.27°)
OKLab	oklab(36.25% -0.0092 0.0327)
OKLCH	oklch(36.25% 0.034 105.7)
XYZ	xyz(4.3098, 4.8122, 2.8919)
Luminance	0.0481 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F2A #2A2B40

analogous

#40342A #403F2A #36402A

triadic

#403F2A #2A403F #3F2A40

tetradic

#403F2A #2A4034 #2A2B40 #402A36

square

#403F2A #2A4034 #2A2B40 #402A36

split-complementary

#403F2A #2A3640 #342A40

monochromatic

#12120C #1B1B12 #403F2A #656342 #8A885A

Accessibility & contrast

On white

10.70

#403F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#403F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F2A

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F2A	#FFFFFF	#000000	##FFFFFF
##403F2A	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433D29

Deuteranopia (green-blind)

#433E2B

Tritanopia (blue-blind)

#433C3A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403f2a;
/* rgb */ color: rgb(64, 63, 42);
/* oklch */ color: oklch(36.2% 0.034 105.7);

Tailwind

colors: {
  custom: {
    50: '#757463',
    500: '#403f2a',
    950: '#000000',
  },
}

SCSS

$custom: #403f2a;
$custom-light: #757463;
$custom-dark: #000000;

JSON

{
  "hex": "#403f2a",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 42
  },
  "hsl": {
    "h": 57.273,
    "s": 20.755,
    "l": 20.784
  },
  "oklch": {
    "l": 0.36248,
    "c": 0.03391,
    "h": 105.7
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#403F2A

secondary

#555671

accent

#6EBD6A

background

#F7F7F5

surface

#EDEDEA

border

#C8C8C6

text

#080805

muted

#7B7B79

Preview Lab

Preview with #403F2A

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

Preview Lab → · Contrast checker → · Palette generator →