#03210B#03210B

#03210B is a very dark, muted green. Relative luminance 0.011; OKLCH L 21.9% C 0.055 H 149.4°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX#03210B
RGBrgb(3, 33, 11)
HSLhsl(136, 83%, 7%)
HSVhsv(136, 91%, 13%)
CMYKcmyk(90.9%, 0%, 66.7%, 87.1%)
CIE-LABlab(10.04, -16.98, 10.14)
CIE-LCHlch(10.04, 19.78, 149.16°)
OKLaboklab(21.85% -0.0477 0.0282)
OKLCHoklch(21.85% 0.055 149.4)
XYZxyz(0.6418, 1.1312, 0.5011)
Luminance0.0113 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#03210B #210319
analogous
#0A2103 #03210B #03211A
triadic
#03210B #0B0321 #210B03
tetradic
#03210B #030A21 #210319 #211A03
square
#03210B #030A21 #210319 #211A03
split-complementary
#03210B #1A0321 #21030A
monochromatic
#031C09 #031C09 #03210B #08591E #0D9130

Accessibility & contrast

On white

17.13
#03210B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.23
#03210B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03210B
17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##03210B#FFFFFF#000000##FFFFFF
##03210B1.0017.131.2317.13
#FFFFFF17.131.0021.001.00
#0000001.2321.001.0021.00
##FFFFFF17.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#211D09
Deuteranopia (green-blind)
#1E1A0D
Tritanopia (blue-blind)
#00201C
Achromatopsia (no color)
#1C1C1C

Design tokens & code

CSS
--color: #03210b;
/* rgb */ color: rgb(3, 33, 11);
/* oklch */ color: oklch(21.9% 0.055 149.4);
Tailwind
colors: {
  custom: {
    50: '#475c4b',
    500: '#03210b',
    950: '#000000',
  },
}
SCSS
$custom: #03210b;
$custom-light: #475c4b;
$custom-dark: #000000;
JSON
{
  "hex": "#03210b",
  "rgb": {
    "r": 3,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 136,
    "s": 83.333,
    "l": 7.059
  },
  "oklch": {
    "l": 0.21852,
    "c": 0.0554,
    "h": 149.4
  },
  "luminance": 0.01131
}

Semantic roles & 50–950 ramp

primary
#03210B
secondary
#651B51
accent
#2EC3FA
background
#F4F5F4
surface
#E6E9E7
border
#C2C5C3
text
#000401
muted
#777977

Preview Lab

Preview with #03210B

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

Preview Lab → · Contrast checker → · Palette generator →

#03210B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva