#23310B#23310B

#23310B is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 29.1% C 0.062 H 127.2°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#23310B
RGB	rgb(35, 49, 11)
HSL	hsl(82, 63%, 12%)
HSV	hsv(82, 78%, 19%)
CMYK	cmyk(28.6%, 0%, 77.6%, 80.8%)
CIE-LAB	lab(18.27, -13.16, 21.25)
CIE-LCH	lch(18.27, 24.99, 121.78°)
OKLab	oklab(29.09% -0.0375 0.0494)
OKLCH	oklch(29.09% 0.062 127.2)
XYZ	xyz(1.8519, 2.5781, 0.7166)
Luminance	0.0258 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23310B #190B31

analogous

#312C0B #23310B #10310B

triadic

#23310B #0B2331 #310B23

tetradic

#23310B #0B312C #190B31 #310B10

square

#23310B #0B312C #190B31 #310B10

split-complementary

#23310B #0B1031 #2C0B31

monochromatic

#121906 #121906 #23310B #476316 #6A9521

Accessibility & contrast

On white

13.86

#23310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#23310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23310B

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23310B	#FFFFFF	#000000	##FFFFFF
##23310B	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D07

Deuteranopia (green-blind)

#322C0E

Tritanopia (blue-blind)

#252E29

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #23310b;
/* rgb */ color: rgb(35, 49, 11);
/* oklch */ color: oklch(29.1% 0.062 127.2);

Tailwind

colors: {
  custom: {
    50: '#5f694c',
    500: '#23310b',
    950: '#000000',
  },
}

SCSS

$custom: #23310b;
$custom-light: #5f694c;
$custom-dark: #000000;

JSON

{
  "hex": "#23310b",
  "rgb": {
    "r": 35,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 82.105,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.29093,
    "c": 0.062,
    "h": 127.2
  },
  "luminance": 0.02578
}

Semantic roles & 50–950 ramp

primary

#23310B

secondary

#432A6E

accent

#41E67E

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#050601

muted

#797A77

Preview Lab

Preview with #23310B

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

Preview Lab → · Contrast checker → · Palette generator →