#313B0B#313B0B

#313B0B is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.2% C 0.070 H 120.6°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#313B0B
RGB	rgb(49, 59, 11)
HSL	hsl(73, 69%, 14%)
HSV	hsv(73, 81%, 23%)
CMYK	cmyk(16.9%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(23.02, -12.10, 26.83)
CIE-LCH	lch(23.02, 29.43, 114.27°)
OKLab	oklab(33.22% -0.0356 0.0601)
OKLCH	oklch(33.22% 0.07 120.6)
XYZ	xyz(2.8910, 3.8051, 0.8987)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313B0B #150B3B

analogous

#3B2D0B #313B0B #193B0B

triadic

#313B0B #0B313B #3B0B31

tetradic

#313B0B #0B3B2D #150B3B #3B0B19

square

#313B0B #0B3B2D #150B3B #3B0B19

split-complementary

#313B0B #0B193B #2D0B3B

monochromatic

#151A05 #151A05 #313B0B #5C6F15 #87A21E

Accessibility & contrast

On white

11.93

#313B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#313B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313B0B

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313B0B	#FFFFFF	#000000	##FFFFFF
##313B0B	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3704

Deuteranopia (green-blind)

#3E370F

Tritanopia (blue-blind)

#343732

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #313b0b;
/* rgb */ color: rgb(49, 59, 11);
/* oklch */ color: oklch(33.2% 0.070 120.6);

Tailwind

colors: {
  custom: {
    50: '#6b704d',
    500: '#313b0b',
    950: '#000000',
  },
}

SCSS

$custom: #313b0b;
$custom-light: #6b704d;
$custom-dark: #000000;

JSON

{
  "hex": "#313b0b",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 72.5,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.33221,
    "c": 0.06979,
    "h": 120.6
  },
  "luminance": 0.03805
}

Semantic roles & 50–950 ramp

primary

#313B0B

secondary

#3A2A78

accent

#3CEB61

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #313B0B

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

Preview Lab → · Contrast checker → · Palette generator →