#403C2F#403C2F

#403C2F is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.6% C 0.022 H 93.0°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#403C2F
RGB	rgb(64, 60, 47)
HSL	hsl(46, 15%, 22%)
HSV	hsv(46, 27%, 25%)
CMYK	cmyk(0%, 6.2%, 26.6%, 74.9%)
CIE-LAB	lab(25.34, -0.82, 8.68)
CIE-LCH	lch(25.34, 8.72, 95.43°)
OKLab	oklab(35.61% -0.0011 0.0222)
OKLCH	oklch(35.61% 0.022 93)
XYZ	xyz(4.2433, 4.5270, 3.3390)
Luminance	0.0453 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C2F #2F3340

analogous

#40342F #403C2F #3C402F

triadic

#403C2F #2F403C #3C2F40

tetradic

#403C2F #2F4034 #2F3340 #402F3C

square

#403C2F #2F4034 #2F3340 #402F3C

split-complementary

#403C2F #2F3C40 #342F40

monochromatic

#12110D #1D1B15 #403C2F #635D49 #877E63

Accessibility & contrast

On white

11.02

#403C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#403C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C2F

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C2F	#FFFFFF	#000000	##FFFFFF
##403C2F	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2E

Deuteranopia (green-blind)

#403D2F

Tritanopia (blue-blind)

#433A38

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403c2f;
/* rgb */ color: rgb(64, 60, 47);
/* oklch */ color: oklch(35.6% 0.022 93.0);

Tailwind

colors: {
  custom: {
    50: '#757167',
    500: '#403c2f',
    950: '#000000',
  },
}

SCSS

$custom: #403c2f;
$custom-light: #757167;
$custom-dark: #000000;

JSON

{
  "hex": "#403c2f",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 47
  },
  "hsl": {
    "h": 45.882,
    "s": 15.315,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35613,
    "c": 0.02218,
    "h": 93
  },
  "luminance": 0.04527
}

Semantic roles & 50–950 ramp

primary

#403C2F

secondary

#5B6070

accent

#81B870

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080706

muted

#7B7A7A

Preview Lab

Preview with #403C2F

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

Preview Lab → · Contrast checker → · Palette generator →