#405B1B#405B1B

#405B1B is a dark, moderate yellow-green. Relative luminance 0.087; OKLCH L 43.5% C 0.096 H 129.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#405B1B
RGB	rgb(64, 91, 27)
HSL	hsl(85, 54%, 23%)
HSV	hsv(85, 70%, 36%)
CMYK	cmyk(29.7%, 0%, 70.3%, 64.3%)
CIE-LAB	lab(35.30, -21.46, 32.47)
CIE-LCH	lch(35.30, 38.93, 123.46°)
OKLab	oklab(43.5% -0.0608 0.0742)
OKLCH	oklch(43.5% 0.096 129.3)
XYZ	xyz(6.0532, 8.6511, 2.3876)
Luminance	0.0865 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B1B #361B5B

analogous

#5B561B #405B1B #205B1B

triadic

#405B1B #1B405B #5B1B40

tetradic

#405B1B #1B5B56 #361B5B #5B1B20

square

#405B1B #1B5B56 #361B5B #5B1B20

split-complementary

#405B1B #1B205B #561B5B

monochromatic

#111807 #1F2C0D #405B1B #618A29 #82B937

Accessibility & contrast

On white

7.69

#405B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#405B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B1B

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B1B	#FFFFFF	#000000	##FFFFFF
##405B1B	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5413

Deuteranopia (green-blind)

#5C5220

Tritanopia (blue-blind)

#42574E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405b1b;
/* rgb */ color: rgb(64, 91, 27);
/* oklch */ color: oklch(43.5% 0.096 129.3);

Tailwind

colors: {
  custom: {
    50: '#77895b',
    500: '#405b1b',
    950: '#000000',
  },
}

SCSS

$custom: #405b1b;
$custom-light: #77895b;
$custom-dark: #000000;

JSON

{
  "hex": "#405b1b",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 27
  },
  "hsl": {
    "h": 85.313,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.43498,
    "c": 0.09593,
    "h": 129.3
  },
  "luminance": 0.08651
}

Semantic roles & 50–950 ramp

primary

#405B1B

secondary

#634191

accent

#4ADE88

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #405B1B

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

Preview Lab → · Contrast checker → · Palette generator →