#40340A#40340A

#40340A is a dark, muted yellow. Relative luminance 0.036; OKLCH L 32.9% C 0.060 H 92.4°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#40340A
RGB	rgb(64, 52, 10)
HSL	hsl(47, 73%, 15%)
HSV	hsv(47, 84%, 25%)
CMYK	cmyk(0%, 18.8%, 84.4%, 74.9%)
CIE-LAB	lab(22.19, 0.10, 26.86)
CIE-LCH	lch(22.19, 26.86, 89.80°)
OKLab	oklab(32.93% -0.0025 0.0596)
OKLCH	oklch(32.93% 0.06 92.4)
XYZ	xyz(3.3973, 3.5681, 0.7969)
Luminance	0.0357 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40340A #0A1640

analogous

#40190A #40340A #31400A

triadic

#40340A #0A4034 #340A40

tetradic

#40340A #0A4019 #0A1640 #400A31

square

#40340A #0A4019 #0A1640 #400A31

split-complementary

#40340A #0A3140 #190A40

monochromatic

#1A1604 #1A1604 #40340A #755F12 #AA8A1B

Accessibility & contrast

On white

12.25

#40340A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#40340A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40340A

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40340A	#FFFFFF	#000000	##FFFFFF
##40340A	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3304

Deuteranopia (green-blind)

#3E370C

Tritanopia (blue-blind)

#462F2C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #40340a;
/* rgb */ color: rgb(64, 52, 10);
/* oklch */ color: oklch(32.9% 0.060 92.4);

Tailwind

colors: {
  custom: {
    50: '#776b4c',
    500: '#40340a',
    950: '#000000',
  },
}

SCSS

$custom: #40340a;
$custom-light: #776b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#40340a",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 10
  },
  "hsl": {
    "h": 46.667,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.32929,
    "c": 0.05962,
    "h": 92.4
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary

#40340A

secondary

#293B7D

accent

#61F038

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #40340A

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

Preview Lab → · Contrast checker → · Palette generator →