#40531D#40531D

#40531D is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.3% C 0.082 H 126.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#40531D
RGB	rgb(64, 83, 29)
HSL	hsl(81, 48%, 22%)
HSV	hsv(81, 65%, 33%)
CMYK	cmyk(22.9%, 0%, 65.1%, 67.5%)
CIE-LAB	lab(32.62, -17.02, 28.57)
CIE-LCH	lch(32.62, 33.25, 120.79°)
OKLab	oklab(41.33% -0.0483 0.0662)
OKLCH	oklch(41.33% 0.082 126.1)
XYZ	xyz(5.4294, 7.3651, 2.2977)
Luminance	0.0736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40531D #301D53

analogous

#534B1D #40531D #25531D

triadic

#40531D #1D4053 #531D40

tetradic

#40531D #1D534B #301D53 #531D25

square

#40531D #1D534B #301D53 #531D25

split-complementary

#40531D #1D2553 #4B1D53

monochromatic

#111708 #1D260D #40531D #63802D #86AE3D

Accessibility & contrast

On white

8.49

#40531D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#40531D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40531D

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40531D	#FFFFFF	#000000	##FFFFFF
##40531D	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D17

Deuteranopia (green-blind)

#554C21

Tritanopia (blue-blind)

#434F47

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40531d;
/* rgb */ color: rgb(64, 83, 29);
/* oklch */ color: oklch(41.3% 0.082 126.1);

Tailwind

colors: {
  custom: {
    50: '#76835b',
    500: '#40531d',
    950: '#000000',
  },
}

SCSS

$custom: #40531d;
$custom-light: #76835b;
$custom-dark: #000000;

JSON

{
  "hex": "#40531d",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 29
  },
  "hsl": {
    "h": 81.111,
    "s": 48.214,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41334,
    "c": 0.08197,
    "h": 126.1
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary

#40531D

secondary

#5C4488

accent

#50D880

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #40531D

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

Preview Lab → · Contrast checker → · Palette generator →