#288E5B#288E5B

#288E5B is a mid, vivid teal. Relative luminance 0.206; OKLCH L 57.6% C 0.122 H 156.8°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#288E5B
RGB	rgb(40, 142, 91)
HSL	hsl(150, 56%, 36%)
HSV	hsv(150, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 35.9%, 44.3%)
CIE-LAB	lab(52.45, -41.23, 19.02)
CIE-LCH	lch(52.45, 45.41, 155.23°)
OKLab	oklab(57.59% -0.1117 0.0478)
OKLCH	oklch(57.59% 0.122 156.8)
XYZ	xyz(12.4352, 20.5510, 13.2069)
Luminance	0.2055 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E5B #8E285B

analogous

#288E28 #288E5B #288E8E

triadic

#288E5B #5B288E #8E5B28

tetradic

#288E5B #28288E #8E285B #8E8E28

square

#288E5B #28288E #8E285B #8E8E28

split-complementary

#288E5B #8E288E #8E2828

monochromatic

#0D2F1E #1B5E3C #288E5B #35BE7A #5FD298

Accessibility & contrast

On white

4.11

#288E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#288E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E5B

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E5B	#FFFFFF	#000000	##000000
##288E5B	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8358

Deuteranopia (green-blind)

#80795E

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e5b;
/* rgb */ color: rgb(40, 142, 91);
/* oklch */ color: oklch(57.6% 0.122 156.8);

Tailwind

colors: {
  custom: {
    50: '#70b089',
    500: '#288e5b',
    950: '#000000',
  },
}

SCSS

$custom: #288e5b;
$custom-light: #70b089;
$custom-dark: #000000;

JSON

{
  "hex": "#288e5b",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 91
  },
  "hsl": {
    "h": 150,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57593,
    "c": 0.12152,
    "h": 156.8
  },
  "luminance": 0.20552
}

Semantic roles & 50–950 ramp

primary

#288E5B

secondary

#B75B89

accent

#4894DF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E5B

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

Preview Lab → · Contrast checker → · Palette generator →