#304B13#304B13

#304B13 is a dark, moderate yellow-green. Relative luminance 0.057; OKLCH L 37.8% C 0.088 H 131.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#304B13
RGB	rgb(48, 75, 19)
HSL	hsl(89, 60%, 18%)
HSV	hsv(89, 75%, 29%)
CMYK	cmyk(36%, 0%, 74.7%, 70.6%)
CIE-LAB	lab(28.66, -20.76, 28.90)
CIE-LCH	lch(28.66, 35.58, 125.68°)
OKLab	oklab(37.8% -0.0584 0.0658)
OKLCH	oklch(37.8% 0.088 131.6)
XYZ	xyz(3.8525, 5.7074, 1.5146)
Luminance	0.0571 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304B13 #2E134B

analogous

#4B4A13 #304B13 #144B13

triadic

#304B13 #13304B #4B1330

tetradic

#304B13 #134B4A #2E134B #4B1314

square

#304B13 #134B4A #2E134B #4B1314

split-complementary

#304B13 #13144B #4A134B

monochromatic

#101806 #111A07 #304B13 #4F7C1F #6FAD2C

Accessibility & contrast

On white

9.81

#304B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#304B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304B13

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304B13	#FFFFFF	#000000	##FFFFFF
##304B13	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F450B

Deuteranopia (green-blind)

#4B4318

Tritanopia (blue-blind)

#314840

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #304b13;
/* rgb */ color: rgb(48, 75, 19);
/* oklch */ color: oklch(37.8% 0.088 131.6);

Tailwind

colors: {
  custom: {
    50: '#6b7d54',
    500: '#304b13',
    950: '#000000',
  },
}

SCSS

$custom: #304b13;
$custom-light: #6b7d54;
$custom-dark: #000000;

JSON

{
  "hex": "#304b13",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 19
  },
  "hsl": {
    "h": 88.929,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.378,
    "c": 0.088,
    "h": 131.6
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary

#304B13

secondary

#5C3684

accent

#45E391

background

#F6F7F4

surface

#EBEEE8

border

#C6C9C4

text

#070903

muted

#7A7B78

Preview Lab

Preview with #304B13

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

Preview Lab → · Contrast checker → · Palette generator →