#40350B#40350B

#40350B is a dark, muted yellow. Relative luminance 0.037; OKLCH L 33.2% C 0.060 H 93.9°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#40350B
RGB	rgb(64, 53, 11)
HSL	hsl(48, 71%, 15%)
HSV	hsv(48, 83%, 25%)
CMYK	cmyk(0%, 17.2%, 82.8%, 74.9%)
CIE-LAB	lab(22.52, -0.50, 26.78)
CIE-LCH	lch(22.52, 26.79, 91.07°)
OKLab	oklab(33.19% -0.004 0.0595)
OKLCH	oklch(33.19% 0.06 93.9)
XYZ	xyz(3.4480, 3.6606, 0.8415)
Luminance	0.0366 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40350B #0B1640

analogous

#401B0B #40350B #31400B

triadic

#40350B #0B4035 #350B40

tetradic

#40350B #0B401B #0B1640 #400B31

square

#40350B #0B401B #0B1640 #400B31

split-complementary

#40350B #0B3140 #1B0B40

monochromatic

#1A1604 #1A1604 #40350B #746014 #A88B1D

Accessibility & contrast

On white

12.12

#40350B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#40350B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40350B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40350B	#FFFFFF	#000000	##FFFFFF
##40350B	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3405

Deuteranopia (green-blind)

#3E370D

Tritanopia (blue-blind)

#46302D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #40350b;
/* rgb */ color: rgb(64, 53, 11);
/* oklch */ color: oklch(33.2% 0.060 93.9);

Tailwind

colors: {
  custom: {
    50: '#776b4d',
    500: '#40350b',
    950: '#000000',
  },
}

SCSS

$custom: #40350b;
$custom-light: #776b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#40350b",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 11
  },
  "hsl": {
    "h": 47.547,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.3319,
    "c": 0.05963,
    "h": 93.9
  },
  "luminance": 0.0366
}

Semantic roles & 50–950 ramp

primary

#40350B

secondary

#2A3B7D

accent

#60ED3A

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #40350B

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

Preview Lab → · Contrast checker → · Palette generator →