#313F0B#313F0B

#313F0B is a dark, moderate yellow-green. Relative luminance 0.042; OKLCH L 34.4% C 0.076 H 123.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#313F0B
RGB	rgb(49, 63, 11)
HSL	hsl(76, 70%, 15%)
HSV	hsv(76, 83%, 25%)
CMYK	cmyk(22.2%, 0%, 82.5%, 75.3%)
CIE-LAB	lab(24.42, -14.41, 28.24)
CIE-LCH	lch(24.42, 31.70, 117.04°)
OKLab	oklab(34.36% -0.0419 0.063)
OKLCH	oklch(34.36% 0.076 123.7)
XYZ	xyz(3.1046, 4.2321, 0.9699)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313F0B #190B3F

analogous

#3F330B #313F0B #173F0B

triadic

#313F0B #0B313F #3F0B31

tetradic

#313F0B #0B3F33 #190B3F #3F0B17

square

#313F0B #0B3F33 #190B3F #3F0B17

split-complementary

#313F0B #0B173F #330B3F

monochromatic

#141A05 #141A05 #313F0B #5A7314 #82A71D

Accessibility & contrast

On white

11.37

#313F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#313F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313F0B

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313F0B	#FFFFFF	#000000	##FFFFFF
##313F0B	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A03

Deuteranopia (green-blind)

#413A10

Tritanopia (blue-blind)

#343B35

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313f0b;
/* rgb */ color: rgb(49, 63, 11);
/* oklch */ color: oklch(34.4% 0.076 123.7);

Tailwind

colors: {
  custom: {
    50: '#6b744e',
    500: '#313f0b',
    950: '#000000',
  },
}

SCSS

$custom: #313f0b;
$custom-light: #6b744e;
$custom-dark: #000000;

JSON

{
  "hex": "#313f0b",
  "rgb": {
    "r": 49,
    "g": 63,
    "b": 11
  },
  "hsl": {
    "h": 76.154,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.34358,
    "c": 0.07566,
    "h": 123.7
  },
  "luminance": 0.04232
}

Semantic roles & 50–950 ramp

primary

#313F0B

secondary

#402A7C

accent

#3BED6B

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#070802

muted

#7A7B78

Preview Lab

Preview with #313F0B

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

Preview Lab → · Contrast checker → · Palette generator →