#403D2D#403D2D

#403D2D is a dark, muted yellow. Relative luminance 0.046; OKLCH L 35.8% C 0.027 H 98.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#403D2D
RGB	rgb(64, 61, 45)
HSL	hsl(51, 17%, 21%)
HSV	hsv(51, 30%, 25%)
CMYK	cmyk(0%, 4.7%, 29.7%, 74.9%)
CIE-LAB	lab(25.61, -1.81, 10.36)
CIE-LCH	lch(25.61, 10.52, 99.91°)
OKLab	oklab(35.81% -0.004 0.0262)
OKLCH	oklch(35.81% 0.027 98.7)
XYZ	xyz(4.2568, 4.6170, 3.1490)
Luminance	0.0462 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D2D #2D3040

analogous

#40342D #403D2D #3A402D

triadic

#403D2D #2D403D #3D2D40

tetradic

#403D2D #2D4034 #2D3040 #402D3A

square

#403D2D #2D4034 #2D3040 #402D3A

split-complementary

#403D2D #2D3A40 #342D40

monochromatic

#12110D #1C1B14 #403D2D #645F46 #888260

Accessibility & contrast

On white

10.92

#403D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#403D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D2D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D2D	#FFFFFF	#000000	##FFFFFF
##403D2D	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403C2C

Deuteranopia (green-blind)

#413D2E

Tritanopia (blue-blind)

#433B39

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403d2d;
/* rgb */ color: rgb(64, 61, 45);
/* oklch */ color: oklch(35.8% 0.027 98.7);

Tailwind

colors: {
  custom: {
    50: '#757266',
    500: '#403d2d',
    950: '#000000',
  },
}

SCSS

$custom: #403d2d;
$custom-light: #757266;
$custom-dark: #000000;

JSON

{
  "hex": "#403d2d",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 50.526,
    "s": 17.431,
    "l": 21.373
  },
  "oklch": {
    "l": 0.35812,
    "c": 0.02652,
    "h": 98.7
  },
  "luminance": 0.04617
}

Semantic roles & 50–950 ramp

primary

#403D2D

secondary

#585C71

accent

#7ABA6E

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403D2D

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

Preview Lab → · Contrast checker → · Palette generator →