#288F53#288F53

#288F53 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.131 H 153.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#288F53
RGB	rgb(40, 143, 83)
HSL	hsl(145, 56%, 36%)
HSV	hsv(145, 72%, 56%)
CMYK	cmyk(72%, 0%, 42%, 43.9%)
CIE-LAB	lab(52.64, -43.25, 23.71)
CIE-LCH	lch(52.64, 49.32, 151.27°)
OKLab	oklab(57.7% -0.1166 0.0589)
OKLCH	oklch(57.7% 0.131 153.2)
XYZ	xyz(12.2578, 20.7192, 11.5351)
Luminance	0.2072 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F53 #8F2864

analogous

#308F28 #288F53 #288F86

triadic

#288F53 #53288F #8F5328

tetradic

#288F53 #28308F #8F2864 #8F8628

square

#288F53 #28308F #8F2864 #8F8628

split-complementary

#288F53 #86288F #8F2830

monochromatic

#0D2F1B #1B5F37 #288F53 #35BF6F #5FD28F

Accessibility & contrast

On white

4.08

#288F53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#288F53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F53

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F53	#FFFFFF	#000000	##000000
##288F53	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F834F

Deuteranopia (green-blind)

#827A57

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f53;
/* rgb */ color: rgb(40, 143, 83);
/* oklch */ color: oklch(57.7% 0.131 153.2);

Tailwind

colors: {
  custom: {
    50: '#71b184',
    500: '#288f53',
    950: '#000000',
  },
}

SCSS

$custom: #288f53;
$custom-light: #71b184;
$custom-dark: #000000;

JSON

{
  "hex": "#288f53",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 83
  },
  "hsl": {
    "h": 145.049,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57699,
    "c": 0.13064,
    "h": 153.2
  },
  "luminance": 0.20721
}

Semantic roles & 50–950 ramp

primary

#288F53

secondary

#B85B91

accent

#48A0E0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F53

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

Preview Lab → · Contrast checker → · Palette generator →