#1F5437#1F5437

#1F5437 is a dark, moderate green. Relative luminance 0.069; OKLCH L 40.2% C 0.075 H 156.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F5437
RGB	rgb(31, 84, 55)
HSL	hsl(147, 46%, 23%)
HSV	hsv(147, 63%, 33%)
CMYK	cmyk(63.1%, 0%, 34.5%, 67.1%)
CIE-LAB	lab(31.60, -25.29, 11.83)
CIE-LCH	lch(31.60, 27.92, 154.92°)
OKLab	oklab(40.15% -0.0689 0.0299)
OKLCH	oklch(40.15% 0.075 156.5)
XYZ	xyz(4.4246, 6.9074, 4.7138)
Luminance	0.0691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5437 #541F3C

analogous

#21541F #1F5437 #1F5452

triadic

#1F5437 #371F54 #54371F

tetradic

#1F5437 #1F2154 #541F3C #54521F

square

#1F5437 #1F2154 #541F3C #54521F

split-complementary

#1F5437 #521F54 #541F21

monochromatic

#08160F #0F271A #1F5437 #2F8154 #40AD72

Accessibility & contrast

On white

8.82

#1F5437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1F5437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5437

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5437	#FFFFFF	#000000	##FFFFFF
##1F5437	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D35

Deuteranopia (green-blind)

#4C4839

Tritanopia (blue-blind)

#0C534C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f5437;
/* rgb */ color: rgb(31, 84, 55);
/* oklch */ color: oklch(40.2% 0.075 156.5);

Tailwind

colors: {
  custom: {
    50: '#60846e',
    500: '#1f5437',
    950: '#000000',
  },
}

SCSS

$custom: #1f5437;
$custom-light: #60846e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5437",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 55
  },
  "hsl": {
    "h": 147.17,
    "s": 46.087,
    "l": 22.549
  },
  "oklch": {
    "l": 0.40151,
    "c": 0.0751,
    "h": 156.5
  },
  "luminance": 0.06908
}

Semantic roles & 50–950 ramp

primary

#1F5437

secondary

#89466B

accent

#529AD6

background

#F5F8F6

surface

#EAEFEB

border

#C6CAC6

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1F5437

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

Preview Lab → · Contrast checker → · Palette generator →