#273B0B#273B0B

#273B0B is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.4% C 0.075 H 129.6°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#273B0B
RGB	rgb(39, 59, 11)
HSL	hsl(85, 69%, 14%)
HSV	hsv(85, 81%, 23%)
CMYK	cmyk(33.9%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(22.24, -16.92, 25.79)
CIE-LCH	lch(22.24, 30.84, 123.27°)
OKLab	oklab(32.4% -0.0481 0.0582)
OKLCH	oklch(32.4% 0.075 129.6)
XYZ	xyz(2.4611, 3.5834, 0.8785)
Luminance	0.0358 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B0B #1F0B3B

analogous

#3B370B #273B0B #0F3B0B

triadic

#273B0B #0B273B #3B0B27

tetradic

#273B0B #0B3B37 #1F0B3B #3B0B0F

square

#273B0B #0B3B37 #1F0B3B #3B0B0F

split-complementary

#273B0B #0B0F3B #370B3B

monochromatic

#111A05 #111A05 #273B0B #496F15 #6BA21E

Accessibility & contrast

On white

12.23

#273B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#273B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B0B

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B0B	#FFFFFF	#000000	##FFFFFF
##273B0B	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3604

Deuteranopia (green-blind)

#3B350F

Tritanopia (blue-blind)

#283832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #273b0b;
/* rgb */ color: rgb(39, 59, 11);
/* oklch */ color: oklch(32.4% 0.075 129.6);

Tailwind

colors: {
  custom: {
    50: '#63714d',
    500: '#273b0b',
    950: '#000000',
  },
}

SCSS

$custom: #273b0b;
$custom-light: #63714d;
$custom-dark: #000000;

JSON

{
  "hex": "#273b0b",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 85,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.32396,
    "c": 0.07547,
    "h": 129.6
  },
  "luminance": 0.03583
}

Semantic roles & 50–950 ramp

primary

#273B0B

secondary

#4A2A78

accent

#3CEB85

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #273B0B

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

Preview Lab → · Contrast checker → · Palette generator →