#1F573A#1F573A

#1F573A is a dark, moderate green. Relative luminance 0.074; OKLCH L 41.1% C 0.077 H 157.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F573A
RGB	rgb(31, 87, 58)
HSL	hsl(149, 47%, 23%)
HSV	hsv(149, 64%, 34%)
CMYK	cmyk(64.4%, 0%, 33.3%, 65.9%)
CIE-LAB	lab(32.73, -26.04, 11.53)
CIE-LCH	lch(32.73, 28.48, 156.12°)
OKLab	oklab(41.1% -0.071 0.0292)
OKLCH	oklch(41.1% 0.077 157.6)
XYZ	xyz(4.7366, 7.4127, 5.1834)
Luminance	0.0741 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F573A #571F3C

analogous

#20571F #1F573A #1F5756

triadic

#1F573A #3A1F57 #573A1F

tetradic

#1F573A #1F2057 #571F3C #57561F

square

#1F573A #1F2057 #571F3C #57561F

split-complementary

#1F573A #561F57 #571F20

monochromatic

#08170F #0F2A1C #1F573A #2F8458 #3FB176

Accessibility & contrast

On white

8.46

#1F573A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1F573A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F573A

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F573A	#FFFFFF	#000000	##FFFFFF
##1F573A	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565038

Deuteranopia (green-blind)

#4F4B3C

Tritanopia (blue-blind)

#08564F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f573a;
/* rgb */ color: rgb(31, 87, 58);
/* oklch */ color: oklch(41.1% 0.077 157.6);

Tailwind

colors: {
  custom: {
    50: '#618770',
    500: '#1f573a',
    950: '#000000',
  },
}

SCSS

$custom: #1f573a;
$custom-light: #618770;
$custom-dark: #000000;

JSON

{
  "hex": "#1f573a",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 58
  },
  "hsl": {
    "h": 148.929,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.41101,
    "c": 0.07677,
    "h": 157.6
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#1F573A

secondary

#8C466A

accent

#5196D7

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1F573A

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

Preview Lab → · Contrast checker → · Palette generator →