#1F643E#1F643E

#1F643E is a dark, moderate green. Relative luminance 0.098; OKLCH L 45.0% C 0.093 H 155.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F643E
RGB	rgb(31, 100, 62)
HSL	hsl(147, 53%, 26%)
HSV	hsv(147, 69%, 39%)
CMYK	cmyk(69%, 0%, 38%, 60.8%)
CIE-LAB	lab(37.40, -31.16, 15.44)
CIE-LCH	lch(37.40, 34.78, 153.65°)
OKLab	oklab(44.96% -0.0844 0.0388)
OKLCH	oklch(44.96% 0.093 155.3)
XYZ	xyz(5.9912, 9.7528, 6.1232)
Luminance	0.0975 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F643E #641F45

analogous

#22641F #1F643E #1F6460

triadic

#1F643E #3E1F64 #643E1F

tetradic

#1F643E #1F2264 #641F45 #64601F

square

#1F643E #1F2264 #641F45 #64601F

split-complementary

#1F643E #601F64 #641F22

monochromatic

#07170E #113521 #1F643E #2D935B #3CC178

Accessibility & contrast

On white

7.12

#1F643E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1F643E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F643E

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F643E	#FFFFFF	#000000	##FFFFFF
##1F643E	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3C

Deuteranopia (green-blind)

#5B5540

Tritanopia (blue-blind)

#00635A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f643e;
/* rgb */ color: rgb(31, 100, 62);
/* oklch */ color: oklch(45.0% 0.093 155.3);

Tailwind

colors: {
  custom: {
    50: '#649173',
    500: '#1f643e',
    950: '#000000',
  },
}

SCSS

$custom: #1f643e;
$custom-light: #649173;
$custom-dark: #000000;

JSON

{
  "hex": "#1f643e",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 62
  },
  "hsl": {
    "h": 146.957,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44957,
    "c": 0.09291,
    "h": 155.3
  },
  "luminance": 0.09753
}

Semantic roles & 50–950 ramp

primary

#1F643E

secondary

#984674

accent

#4C9BDC

background

#F6F8F7

surface

#EBF0ED

border

#C6CBC8

text

#060D08

muted

#7A7D7B

Preview Lab

Preview with #1F643E

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

Preview Lab → · Contrast checker → · Palette generator →