#1F643F#1F643F

#1F643F is a dark, moderate green. Relative luminance 0.098; OKLCH L 45.0% C 0.092 H 156.0°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F643F
RGB	rgb(31, 100, 63)
HSL	hsl(148, 53%, 26%)
HSV	hsv(148, 69%, 39%)
CMYK	cmyk(69%, 0%, 37%, 60.8%)
CIE-LAB	lab(37.42, -30.94, 14.87)
CIE-LCH	lch(37.42, 34.33, 154.34°)
OKLab	oklab(44.98% -0.0839 0.0374)
OKLCH	oklch(44.98% 0.092 156)
XYZ	xyz(6.0189, 9.7639, 6.2691)
Luminance	0.0977 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F643F #641F44

analogous

#21641F #1F643F #1F6461

triadic

#1F643F #3F1F64 #643F1F

tetradic

#1F643F #1F2164 #641F44 #64611F

square

#1F643F #1F2164 #641F44 #64611F

split-complementary

#1F643F #611F64 #641F21

monochromatic

#07170F #113522 #1F643F #2D935C #3CC17A

Accessibility & contrast

On white

7.11

#1F643F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1F643F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F643F

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F643F	#FFFFFF	#000000	##FFFFFF
##1F643F	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3D

Deuteranopia (green-blind)

#5A5541

Tritanopia (blue-blind)

#00635A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f643f;
/* rgb */ color: rgb(31, 100, 63);
/* oklch */ color: oklch(45.0% 0.092 156.0);

Tailwind

colors: {
  custom: {
    50: '#649174',
    500: '#1f643f',
    950: '#000000',
  },
}

SCSS

$custom: #1f643f;
$custom-light: #649174;
$custom-dark: #000000;

JSON

{
  "hex": "#1f643f",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 63
  },
  "hsl": {
    "h": 147.826,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.4498,
    "c": 0.09188,
    "h": 156
  },
  "luminance": 0.09765
}

Semantic roles & 50–950 ramp

primary

#1F643F

secondary

#984672

accent

#4C99DC

background

#F6F8F7

surface

#EBF0ED

border

#C6CBC8

text

#060D08

muted

#7A7D7B

Preview Lab

Preview with #1F643F

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

Preview Lab → · Contrast checker → · Palette generator →