#1B643C#1B643C

#1B643C is a dark, moderate green. Relative luminance 0.097; OKLCH L 44.8% C 0.097 H 154.9°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B643C
RGB	rgb(27, 100, 60)
HSL	hsl(147, 57%, 25%)
HSV	hsv(147, 73%, 39%)
CMYK	cmyk(73%, 0%, 40%, 60.8%)
CIE-LAB	lab(37.25, -32.40, 16.41)
CIE-LCH	lch(37.25, 36.32, 153.14°)
OKLab	oklab(44.79% -0.0876 0.041)
OKLCH	oklch(44.79% 0.097 154.9)
XYZ	xyz(5.8243, 9.6730, 5.8342)
Luminance	0.0967 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B643C #641B43

analogous

#1F641B #1B643C #1B6460

triadic

#1B643C #3C1B64 #643C1B

tetradic

#1B643C #1B1F64 #641B43 #64601B

square

#1B643C #1B1F64 #641B43 #64601B

split-complementary

#1B643C #601B64 #641B1F

monochromatic

#07180E #0E341F #1B643C #289459 #35C476

Accessibility & contrast

On white

7.16

#1B643C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1B643C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B643C

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B643C	#FFFFFF	#000000	##FFFFFF
##1B643C	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C39

Deuteranopia (green-blind)

#5A553F

Tritanopia (blue-blind)

#00635A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1b643c;
/* rgb */ color: rgb(27, 100, 60);
/* oklch */ color: oklch(44.8% 0.097 154.9);

Tailwind

colors: {
  custom: {
    50: '#629172',
    500: '#1b643c',
    950: '#000000',
  },
}

SCSS

$custom: #1b643c;
$custom-light: #629172;
$custom-dark: #000000;

JSON

{
  "hex": "#1b643c",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 60
  },
  "hsl": {
    "h": 147.123,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.44793,
    "c": 0.09673,
    "h": 154.9
  },
  "luminance": 0.09674
}

Semantic roles & 50–950 ramp

primary

#1B643C

secondary

#994172

accent

#479BE1

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#060D08

muted

#7A7D7B

Preview Lab

Preview with #1B643C

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

Preview Lab → · Contrast checker → · Palette generator →