#40340F#40340F

#40340F is a dark, muted yellow. Relative luminance 0.036; OKLCH L 33.0% C 0.056 H 90.9°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#40340F
RGB	rgb(64, 52, 15)
HSL	hsl(45, 62%, 15%)
HSV	hsv(45, 77%, 25%)
CMYK	cmyk(0%, 18.8%, 76.6%, 74.9%)
CIE-LAB	lab(22.23, 0.41, 24.57)
CIE-LCH	lch(22.23, 24.57, 89.05°)
OKLab	oklab(32.98% -0.0009 0.0555)
OKLCH	oklch(32.98% 0.056 90.9)
XYZ	xyz(3.4287, 3.5807, 0.9624)
Luminance	0.0358 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40340F #0F1B40

analogous

#401B0F #40340F #33400F

triadic

#40340F #0F4034 #340F40

tetradic

#40340F #0F401B #0F1B40 #400F33

square

#40340F #0F401B #0F1B40 #400F33

split-complementary

#40340F #0F3340 #1B0F40

monochromatic

#191406 #191406 #40340F #725C1B #A38526

Accessibility & contrast

On white

12.24

#40340F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#40340F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40340F

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40340F	#FFFFFF	#000000	##FFFFFF
##40340F	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A330A

Deuteranopia (green-blind)

#3D3711

Tritanopia (blue-blind)

#462F2C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #40340f;
/* rgb */ color: rgb(64, 52, 15);
/* oklch */ color: oklch(33.0% 0.056 90.9);

Tailwind

colors: {
  custom: {
    50: '#776b4f',
    500: '#40340f',
    950: '#000000',
  },
}

SCSS

$custom: #40340f;
$custom-light: #776b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#40340f",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 15
  },
  "hsl": {
    "h": 45.306,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32979,
    "c": 0.05551,
    "h": 90.9
  },
  "luminance": 0.0358
}

Semantic roles & 50–950 ramp

primary

#40340F

secondary

#30427A

accent

#6AE543

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090602

muted

#7B7A78

Preview Lab

Preview with #40340F

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

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