#3B581A#3B581A

#3B581A is a dark, moderate yellow-green. Relative luminance 0.080; OKLCH L 42.3% C 0.095 H 130.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3B581A
RGB	rgb(59, 88, 26)
HSL	hsl(88, 54%, 22%)
HSV	hsv(88, 70%, 35%)
CMYK	cmyk(33%, 0%, 70.5%, 65.5%)
CIE-LAB	lab(33.95, -22.14, 31.40)
CIE-LCH	lch(33.95, 38.42, 125.18°)
OKLab	oklab(42.31% -0.0624 0.0719)
OKLCH	oklch(42.31% 0.095 130.9)
XYZ	xyz(5.4798, 7.9837, 2.2294)
Luminance	0.0798 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B581A #371A58

analogous

#58561A #3B581A #1C581A

triadic

#3B581A #1A3B58 #581A3B

tetradic

#3B581A #1A5856 #371A58 #581A1C

square

#3B581A #1A5856 #371A58 #581A1C

split-complementary

#3B581A #1A1C58 #561A58

monochromatic

#101807 #1B290C #3B581A #5B8728 #7AB636

Accessibility & contrast

On white

8.09

#3B581A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3B581A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B581A

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B581A	#FFFFFF	#000000	##FFFFFF
##3B581A	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5112

Deuteranopia (green-blind)

#584F1F

Tritanopia (blue-blind)

#3C544B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b581a;
/* rgb */ color: rgb(59, 88, 26);
/* oklch */ color: oklch(42.3% 0.095 130.9);

Tailwind

colors: {
  custom: {
    50: '#73875a',
    500: '#3b581a',
    950: '#000000',
  },
}

SCSS

$custom: #3b581a;
$custom-light: #73875a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b581a",
  "rgb": {
    "r": 59,
    "g": 88,
    "b": 26
  },
  "hsl": {
    "h": 88.065,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42308,
    "c": 0.09518,
    "h": 130.9
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary

#3B581A

secondary

#64408E

accent

#4ADE8F

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #3B581A

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

Preview Lab → · Contrast checker → · Palette generator →