#21603B#21603B

#21603B is a dark, moderate green. Relative luminance 0.090; OKLCH L 43.8% C 0.089 H 154.3°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX#21603B
RGBrgb(33, 96, 59)
HSLhsl(145, 49%, 25%)
HSVhsv(145, 66%, 38%)
CMYKcmyk(65.6%, 0%, 38.5%, 62.4%)
CIE-LABlab(35.99, -29.56, 15.35)
CIE-LCHlch(35.99, 33.31, 152.55°)
OKLaboklab(43.8% -0.0801 0.0385)
OKLCHoklch(43.8% 0.089 154.3)
XYZxyz(5.5990, 9.0043, 5.5798)
Luminance0.0901 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21603B #602146
analogous
#266021 #21603B #21605A
triadic
#21603B #3B2160 #603B21
tetradic
#21603B #212660 #602146 #605A21
square
#21603B #212660 #602146 #605A21
split-complementary
#21603B #5A2160 #602126
monochromatic
#08170E #11321F #21603B #318E57 #40BB73

Accessibility & contrast

On white

7.50
#21603B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#21603B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21603B
7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21603B#FFFFFF#000000##FFFFFF
##21603B1.007.502.807.50
#FFFFFF7.501.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#605839
Deuteranopia (green-blind)
#57523D
Tritanopia (blue-blind)
#085F57
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #21603b;
/* rgb */ color: rgb(33, 96, 59);
/* oklch */ color: oklch(43.8% 0.089 154.3);
Tailwind
colors: {
  custom: {
    50: '#648e71',
    500: '#21603b',
    950: '#000000',
  },
}
SCSS
$custom: #21603b;
$custom-light: #648e71;
$custom-dark: #000000;
JSON
{
  "hex": "#21603b",
  "rgb": {
    "r": 33,
    "g": 96,
    "b": 59
  },
  "hsl": {
    "h": 144.762,
    "s": 48.837,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43802,
    "c": 0.08889,
    "h": 154.3
  },
  "luminance": 0.09005
}

Semantic roles & 50–950 ramp

primary
#21603B
secondary
#944975
accent
#4FA0D8
background
#F6F8F6
surface
#EBF0EC
border
#C6CBC7
text
#060C07
muted
#7A7D7A

Preview Lab

Preview with #21603B

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

Preview Lab → · Contrast checker → · Palette generator →

#21603B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva