#1C643B#1C643B

#1C643B is a dark, moderate green. Relative luminance 0.097; OKLCH L 44.8% C 0.097 H 154.1°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX#1C643B
RGBrgb(28, 100, 59)
HSLhsl(146, 56%, 25%)
HSVhsv(146, 72%, 39%)
CMYKcmyk(72%, 0%, 41%, 60.8%)
CIE-LABlab(37.26, -32.42, 17.01)
CIE-LCHlch(37.26, 36.61, 152.31°)
OKLaboklab(44.8% -0.0876 0.0425)
OKLCHoklch(44.8% 0.097 154.1)
XYZxyz(5.8250, 9.6764, 5.6976)
Luminance0.0968 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C643B #641C45
analogous
#21641C #1C643B #1C645F
triadic
#1C643B #3B1C64 #643B1C
tetradic
#1C643B #1C2164 #641C45 #645F1C
square
#1C643B #1C2164 #641C45 #645F1C
split-complementary
#1C643B #5F1C64 #641C21
monochromatic
#07180E #0F341F #1C643B #299457 #37C473

Accessibility & contrast

On white

7.15
#1C643B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#1C643B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C643B
7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C643B#FFFFFF#000000##FFFFFF
##1C643B1.007.152.947.15
#FFFFFF7.151.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645C38
Deuteranopia (green-blind)
#5B553E
Tritanopia (blue-blind)
#00635A
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #1c643b;
/* rgb */ color: rgb(28, 100, 59);
/* oklch */ color: oklch(44.8% 0.097 154.1);
Tailwind
colors: {
  custom: {
    50: '#639171',
    500: '#1c643b',
    950: '#000000',
  },
}
SCSS
$custom: #1c643b;
$custom-light: #639171;
$custom-dark: #000000;
JSON
{
  "hex": "#1c643b",
  "rgb": {
    "r": 28,
    "g": 100,
    "b": 59
  },
  "hsl": {
    "h": 145.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.44799,
    "c": 0.09735,
    "h": 154.1
  },
  "luminance": 0.09677
}

Semantic roles & 50–950 ramp

primary
#1C643B
secondary
#994374
accent
#489EE0
background
#F6F8F6
surface
#EBF0EC
border
#C6CBC7
text
#060D07
muted
#7A7D7A

Preview Lab

Preview with #1C643B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C643B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva