#403C2E#403C2E

#403C2E is a dark, muted yellow. Relative luminance 0.045; OKLCH L 35.6% C 0.024 H 94.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#403C2E
RGB	rgb(64, 60, 46)
HSL	hsl(47, 16%, 22%)
HSV	hsv(47, 28%, 25%)
CMYK	cmyk(0%, 6.2%, 28.1%, 74.9%)
CIE-LAB	lab(25.32, -1.00, 9.30)
CIE-LCH	lch(25.32, 9.35, 96.13°)
OKLab	oklab(35.59% -0.0016 0.0237)
OKLCH	oklch(35.59% 0.024 94)
XYZ	xyz(4.2234, 4.5191, 3.2340)
Luminance	0.0452 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C2E #2E3240

analogous

#40332E #403C2E #3B402E

triadic

#403C2E #2E403C #3C2E40

tetradic

#403C2E #2E4033 #2E3240 #402E3B

square

#403C2E #2E4033 #2E3240 #402E3B

split-complementary

#403C2E #2E3B40 #332E40

monochromatic

#12110D #1C1B14 #403C2E #645D48 #877F61

Accessibility & contrast

On white

11.03

#403C2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#403C2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C2E

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C2E	#FFFFFF	#000000	##FFFFFF
##403C2E	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2D

Deuteranopia (green-blind)

#403D2E

Tritanopia (blue-blind)

#433A38

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403c2e;
/* rgb */ color: rgb(64, 60, 46);
/* oklch */ color: oklch(35.6% 0.024 94.0);

Tailwind

colors: {
  custom: {
    50: '#757166',
    500: '#403c2e',
    950: '#000000',
  },
}

SCSS

$custom: #403c2e;
$custom-light: #757166;
$custom-dark: #000000;

JSON

{
  "hex": "#403c2e",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 46
  },
  "hsl": {
    "h": 46.667,
    "s": 16.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.35585,
    "c": 0.02372,
    "h": 94
  },
  "luminance": 0.04519
}

Semantic roles & 50–950 ramp

primary

#403C2E

secondary

#595E70

accent

#7FB96F

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080706

muted

#7B7A7A

Preview Lab

Preview with #403C2E

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

Preview Lab → · Contrast checker → · Palette generator →