#403F2D#403F2D

#403F2D is a dark, muted yellow. Relative luminance 0.048; OKLCH L 36.3% C 0.029 H 105.1°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#403F2D
RGB	rgb(64, 63, 45)
HSL	hsl(57, 17%, 21%)
HSV	hsv(57, 30%, 25%)
CMYK	cmyk(0%, 1.6%, 29.7%, 74.9%)
CIE-LAB	lab(26.26, -3.08, 11.23)
CIE-LCH	lch(26.26, 11.65, 105.36°)
OKLab	oklab(36.32% -0.0076 0.0283)
OKLCH	oklch(36.32% 0.029 105.1)
XYZ	xyz(4.3655, 4.8345, 3.1853)
Luminance	0.0483 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F2D #2D2E40

analogous

#40362D #403F2D #38402D

triadic

#403F2D #2D403F #3F2D40

tetradic

#403F2D #2D4036 #2D2E40 #402D38

square

#403F2D #2D4036 #2D2E40 #402D38

split-complementary

#403F2D #2D3840 #362D40

monochromatic

#12120D #1C1C14 #403F2D #646246 #888660

Accessibility & contrast

On white

10.68

#403F2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#403F2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F2D

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F2D	#FFFFFF	#000000	##FFFFFF
##403F2D	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423E2C

Deuteranopia (green-blind)

#433F2E

Tritanopia (blue-blind)

#433D3A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403f2d;
/* rgb */ color: rgb(64, 63, 45);
/* oklch */ color: oklch(36.3% 0.029 105.1);

Tailwind

colors: {
  custom: {
    50: '#757466',
    500: '#403f2d',
    950: '#000000',
  },
}

SCSS

$custom: #403f2d;
$custom-light: #757466;
$custom-dark: #000000;

JSON

{
  "hex": "#403f2d",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 45
  },
  "hsl": {
    "h": 56.842,
    "s": 17.431,
    "l": 21.373
  },
  "oklch": {
    "l": 0.3632,
    "c": 0.02934,
    "h": 105.1
  },
  "luminance": 0.04834
}

Semantic roles & 50–950 ramp

primary

#403F2D

secondary

#585971

accent

#72BA6E

background

#F7F7F6

surface

#EDEDEB

border

#C8C8C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403F2D

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

Preview Lab → · Contrast checker → · Palette generator →