#403E2D#403E2D

#403E2D is a dark, muted yellow. Relative luminance 0.047; OKLCH L 36.1% C 0.028 H 102.1°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#403E2D
RGB	rgb(64, 62, 45)
HSL	hsl(54, 17%, 21%)
HSV	hsv(54, 30%, 25%)
CMYK	cmyk(0%, 3.1%, 29.7%, 74.9%)
CIE-LAB	lab(25.94, -2.45, 10.80)
CIE-LCH	lch(25.94, 11.07, 102.79°)
OKLab	oklab(36.07% -0.0058 0.0273)
OKLCH	oklch(36.07% 0.028 102.1)
XYZ	xyz(4.3106, 4.7248, 3.1670)
Luminance	0.0473 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E2D #2D2F40

analogous

#40352D #403E2D #39402D

triadic

#403E2D #2D403E #3E2D40

tetradic

#403E2D #2D4035 #2D2F40 #402D39

square

#403E2D #2D4035 #2D2F40 #402D39

split-complementary

#403E2D #2D3940 #352D40

monochromatic

#12110D #1C1B14 #403E2D #646146 #888460

Accessibility & contrast

On white

10.80

#403E2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#403E2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E2D

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E2D	#FFFFFF	#000000	##FFFFFF
##403E2D	1.00	10.80	1.95	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413D2C

Deuteranopia (green-blind)

#423E2E

Tritanopia (blue-blind)

#433C39

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e2d;
/* rgb */ color: rgb(64, 62, 45);
/* oklch */ color: oklch(36.1% 0.028 102.1);

Tailwind

colors: {
  custom: {
    50: '#757366',
    500: '#403e2d',
    950: '#000000',
  },
}

SCSS

$custom: #403e2d;
$custom-light: #757366;
$custom-dark: #000000;

JSON

{
  "hex": "#403e2d",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 53.684,
    "s": 17.431,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36065,
    "c": 0.0279,
    "h": 102.1
  },
  "luminance": 0.04725
}

Semantic roles & 50–950 ramp

primary

#403E2D

secondary

#585B71

accent

#76BA6E

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080805

muted

#7B7B7A

Preview Lab

Preview with #403E2D

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

Preview Lab → · Contrast checker → · Palette generator →