#403C2C#403C2C

#403C2C is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.5% C 0.027 H 95.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#403C2C
RGB	rgb(64, 60, 44)
HSL	hsl(48, 19%, 21%)
HSV	hsv(48, 31%, 25%)
CMYK	cmyk(0%, 6.2%, 31.2%, 74.9%)
CIE-LAB	lab(25.27, -1.33, 10.54)
CIE-LCH	lch(25.27, 10.63, 97.22°)
OKLab	oklab(35.53% -0.0027 0.0266)
OKLCH	oklch(35.53% 0.027 95.7)
XYZ	xyz(4.1849, 4.5036, 3.0312)
Luminance	0.0450 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C2C #2C3040

analogous

#40322C #403C2C #3A402C

triadic

#403C2C #2C403C #3C2C40

tetradic

#403C2C #2C4032 #2C3040 #402C3A

square

#403C2C #2C4032 #2C3040 #402C3A

split-complementary

#403C2C #2C3A40 #322C40

monochromatic

#12110C #1C1A13 #403C2C #645E45 #89805E

Accessibility & contrast

On white

11.05

#403C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#403C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C2C

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C2C	#FFFFFF	#000000	##FFFFFF
##403C2C	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2B

Deuteranopia (green-blind)

#403D2D

Tritanopia (blue-blind)

#433A38

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403c2c;
/* rgb */ color: rgb(64, 60, 44);
/* oklch */ color: oklch(35.5% 0.027 95.7);

Tailwind

colors: {
  custom: {
    50: '#757165',
    500: '#403c2c',
    950: '#000000',
  },
}

SCSS

$custom: #403c2c;
$custom-light: #757165;
$custom-dark: #000000;

JSON

{
  "hex": "#403c2c",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 44
  },
  "hsl": {
    "h": 48,
    "s": 18.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35533,
    "c": 0.02677,
    "h": 95.7
  },
  "luminance": 0.04504
}

Semantic roles & 50–950 ramp

primary

#403C2C

secondary

#575C71

accent

#7CBB6D

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080705

muted

#7B7A7A

Preview Lab

Preview with #403C2C

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

Preview Lab → · Contrast checker → · Palette generator →