#397F4B#397F4B

#397F4B is a mid, moderate green. Relative luminance 0.166; OKLCH L 53.7% C 0.108 H 149.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#397F4B
RGB	rgb(57, 127, 75)
HSL	hsl(135, 38%, 36%)
HSV	hsv(135, 55%, 50%)
CMYK	cmyk(55.1%, 0%, 40.9%, 50.2%)
CIE-LAB	lab(47.70, -34.29, 21.76)
CIE-LCH	lch(47.70, 40.61, 147.60°)
OKLab	oklab(53.73% -0.093 0.0541)
OKLCH	oklch(53.73% 0.108 149.8)
XYZ	xyz(10.5460, 16.5557, 9.2951)
Luminance	0.1656 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F4B #7F396D

analogous

#4A7F39 #397F4B #397F6E

triadic

#397F4B #4B397F #7F4B39

tetradic

#397F4B #394A7F #7F396D #7F6E39

square

#397F4B #394A7F #7F396D #7F6E39

split-complementary

#397F4B #6E397F #7F394A

monochromatic

#132B19 #265532 #397F4B #4CA964 #72C086

Accessibility & contrast

On white

4.87

#397F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#397F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397F4B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F4B	#FFFFFF	#000000	##FFFFFF
##397F4B	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807547

Deuteranopia (green-blind)

#766F4E

Tritanopia (blue-blind)

#297D72

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #397f4b;
/* rgb */ color: rgb(57, 127, 75);
/* oklch */ color: oklch(53.7% 0.108 149.8);

Tailwind

colors: {
  custom: {
    50: '#75a57e',
    500: '#397f4b',
    950: '#000000',
  },
}

SCSS

$custom: #397f4b;
$custom-light: #75a57e;
$custom-dark: #000000;

JSON

{
  "hex": "#397f4b",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 75
  },
  "hsl": {
    "h": 135.429,
    "s": 38.043,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5373,
    "c": 0.10754,
    "h": 149.8
  },
  "luminance": 0.16557
}

Semantic roles & 50–950 ramp

primary

#397F4B

secondary

#A96B99

accent

#5AB0CE

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#090F0A

muted

#7B7F7C

Preview Lab

Preview with #397F4B

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

Preview Lab → · Contrast checker → · Palette generator →