#1F643C#1F643C

#1F643C is a dark, moderate green. Relative luminance 0.097; OKLCH L 44.9% C 0.095 H 154.1°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F643C
RGB	rgb(31, 100, 60)
HSL	hsl(145, 53%, 26%)
HSV	hsv(145, 69%, 39%)
CMYK	cmyk(69%, 0%, 40%, 60.8%)
CIE-LAB	lab(37.36, -31.59, 16.57)
CIE-LCH	lch(37.36, 35.67, 152.32°)
OKLab	oklab(44.91% -0.0855 0.0414)
OKLCH	oklch(44.91% 0.095 154.1)
XYZ	xyz(5.9373, 9.7313, 5.8395)
Luminance	0.0973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F643C #641F47

analogous

#24641F #1F643C #1F645E

triadic

#1F643C #3C1F64 #643C1F

tetradic

#1F643C #1F2464 #641F47 #645E1F

square

#1F643C #1F2464 #641F47 #645E1F

split-complementary

#1F643C #5E1F64 #641F24

monochromatic

#07170E #113520 #1F643C #2D9358 #3CC174

Accessibility & contrast

On white

7.13

#1F643C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1F643C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F643C

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F643C	#FFFFFF	#000000	##FFFFFF
##1F643C	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C39

Deuteranopia (green-blind)

#5B553F

Tritanopia (blue-blind)

#00635A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f643c;
/* rgb */ color: rgb(31, 100, 60);
/* oklch */ color: oklch(44.9% 0.095 154.1);

Tailwind

colors: {
  custom: {
    50: '#649172',
    500: '#1f643c',
    950: '#000000',
  },
}

SCSS

$custom: #1f643c;
$custom-light: #649172;
$custom-dark: #000000;

JSON

{
  "hex": "#1f643c",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 60
  },
  "hsl": {
    "h": 145.217,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44912,
    "c": 0.09498,
    "h": 154.1
  },
  "luminance": 0.09732
}

Semantic roles & 50–950 ramp

primary

#1F643C

secondary

#984676

accent

#4C9FDC

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#060D08

muted

#7A7D7B

Preview Lab

Preview with #1F643C

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

Preview Lab → · Contrast checker → · Palette generator →