#403D2B#403D2B

#403D2B is a dark, muted yellow. Relative luminance 0.046; OKLCH L 35.8% C 0.030 H 99.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#403D2B
RGB	rgb(64, 61, 43)
HSL	hsl(51, 20%, 21%)
HSV	hsv(51, 33%, 25%)
CMYK	cmyk(0%, 4.7%, 32.8%, 74.9%)
CIE-LAB	lab(25.57, -2.14, 11.60)
CIE-LCH	lch(25.57, 11.79, 100.46°)
OKLab	oklab(35.76% -0.005 0.0292)
OKLCH	oklch(35.76% 0.03 99.7)
XYZ	xyz(4.2192, 4.6020, 2.9510)
Luminance	0.0460 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D2B #2B2E40

analogous

#40322B #403D2B #38402B

triadic

#403D2B #2B403D #3D2B40

tetradic

#403D2B #2B4032 #2B2E40 #402B38

square

#403D2B #2B4032 #2B2E40 #402B38

split-complementary

#403D2B #2B3840 #322B40

monochromatic

#12110C #1B1A12 #403D2B #656044 #89835C

Accessibility & contrast

On white

10.94

#403D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#403D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D2B

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D2B	#FFFFFF	#000000	##FFFFFF
##403D2B	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403C2A

Deuteranopia (green-blind)

#413D2C

Tritanopia (blue-blind)

#433A38

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403d2b;
/* rgb */ color: rgb(64, 61, 43);
/* oklch */ color: oklch(35.8% 0.030 99.7);

Tailwind

colors: {
  custom: {
    50: '#757264',
    500: '#403d2b',
    950: '#000000',
  },
}

SCSS

$custom: #403d2b;
$custom-light: #757264;
$custom-dark: #000000;

JSON

{
  "hex": "#403d2b",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 43
  },
  "hsl": {
    "h": 51.429,
    "s": 19.626,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35761,
    "c": 0.02959,
    "h": 99.7
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#403D2B

secondary

#565A71

accent

#77BC6C

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403D2B

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

Preview Lab → · Contrast checker → · Palette generator →