#397B1B#397B1B

#397B1B is a mid, vivid green. Relative luminance 0.151; OKLCH L 52.0% C 0.144 H 138.0°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#397B1B
RGB	rgb(57, 123, 27)
HSL	hsl(101, 64%, 29%)
HSV	hsv(101, 78%, 48%)
CMYK	cmyk(53.7%, 0%, 78%, 51.8%)
CIE-LAB	lab(45.79, -38.71, 43.06)
CIE-LCH	lch(45.79, 57.90, 131.96°)
OKLab	oklab(51.98% -0.1071 0.0965)
OKLCH	oklch(51.98% 0.144 138)
XYZ	xyz(8.9678, 15.1142, 3.4815)
Luminance	0.1512 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B1B #5D1B7B

analogous

#697B1B #397B1B #1B7B2D

triadic

#397B1B #1B397B #7B1B39

tetradic

#397B1B #1B697B #5D1B7B #7B2D1B

square

#397B1B #1B697B #5D1B7B #7B2D1B

split-complementary

#397B1B #2D1B7B #7B1B69

monochromatic

#0C1906 #224910 #397B1B #50AD26 #6CD43C

Accessibility & contrast

On white

5.22

#397B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#397B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B1B

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B1B	#FFFFFF	#000000	##FFFFFF
##397B1B	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7006

Deuteranopia (green-blind)

#776A25

Tritanopia (blue-blind)

#347669

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #397b1b;
/* rgb */ color: rgb(57, 123, 27);
/* oklch */ color: oklch(52.0% 0.144 138.0);

Tailwind

colors: {
  custom: {
    50: '#77a25f',
    500: '#397b1b',
    950: '#000000',
  },
}

SCSS

$custom: #397b1b;
$custom-light: #77a25f;
$custom-dark: #000000;

JSON

{
  "hex": "#397b1b",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 27
  },
  "hsl": {
    "h": 101.25,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51982,
    "c": 0.14415,
    "h": 138
  },
  "luminance": 0.15115
}

Semantic roles & 50–950 ramp

primary

#397B1B

secondary

#8D43AF

accent

#41E7B3

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #397B1B

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

Preview Lab → · Contrast checker → · Palette generator →