#1B613A#1B613A

#1B613A is a dark, moderate green. Relative luminance 0.091; OKLCH L 43.9% C 0.094 H 154.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B613A
RGB	rgb(27, 97, 58)
HSL	hsl(147, 56%, 24%)
HSV	hsv(147, 72%, 38%)
CMYK	cmyk(72.2%, 0%, 40.2%, 62%)
CIE-LAB	lab(36.15, -31.52, 16.13)
CIE-LCH	lch(36.15, 35.41, 152.89°)
OKLab	oklab(43.88% -0.0852 0.0403)
OKLCH	oklch(43.88% 0.094 154.7)
XYZ	xyz(5.4899, 9.0873, 5.4669)
Luminance	0.0909 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B613A #611B42

analogous

#1F611B #1B613A #1B615D

triadic

#1B613A #3A1B61 #613A1B

tetradic

#1B613A #1B1F61 #611B42 #615D1B

square

#1B613A #1B1F61 #611B42 #615D1B

split-complementary

#1B613A #5D1B61 #611B1F

monochromatic

#07180E #0E311D #1B613A #289157 #36C173

Accessibility & contrast

On white

7.45

#1B613A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#1B613A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B613A

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B613A	#FFFFFF	#000000	##FFFFFF
##1B613A	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615937

Deuteranopia (green-blind)

#58533D

Tritanopia (blue-blind)

#006057

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b613a;
/* rgb */ color: rgb(27, 97, 58);
/* oklch */ color: oklch(43.9% 0.094 154.7);

Tailwind

colors: {
  custom: {
    50: '#618e70',
    500: '#1b613a',
    950: '#000000',
  },
}

SCSS

$custom: #1b613a;
$custom-light: #618e70;
$custom-dark: #000000;

JSON

{
  "hex": "#1b613a",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 58
  },
  "hsl": {
    "h": 146.571,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.43877,
    "c": 0.09429,
    "h": 154.7
  },
  "luminance": 0.09088
}

Semantic roles & 50–950 ramp

primary

#1B613A

secondary

#974171

accent

#489DE0

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#050C07

muted

#7A7D7A

Preview Lab

Preview with #1B613A

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

Preview Lab → · Contrast checker → · Palette generator →