#288D88#288D88

#288D88 is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.6% C 0.090 H 190.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#288D88
RGB	rgb(40, 141, 136)
HSL	hsl(177, 56%, 35%)
HSV	hsv(177, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 3.5%, 44.7%)
CIE-LAB	lab(53.25, -29.25, -5.65)
CIE-LCH	lch(53.25, 29.79, 190.93°)
OKLab	oklab(58.61% -0.0885 -0.0158)
OKLCH	oklch(58.61% 0.09 190.1)
XYZ	xyz(14.8418, 21.2767, 26.6124)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D88 #8D282D

analogous

#288D56 #288D88 #285F8D

triadic

#288D88 #88288D #8D8828

tetradic

#288D88 #56288D #8D282D #5F8D28

square

#288D88 #56288D #8D282D #5F8D28

split-complementary

#288D88 #8D285F #8D5628

monochromatic

#0D2E2C #1A5D5A #288D88 #36BDB6 #5ED1CC

Accessibility & contrast

On white

4.00

#288D88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#288D88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D88

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D88	#FFFFFF	#000000	##000000
##288D88	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858588

Deuteranopia (green-blind)

#767B89

Tritanopia (blue-blind)

#00918B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288d88;
/* rgb */ color: rgb(40, 141, 136);
/* oklch */ color: oklch(58.6% 0.090 190.1);

Tailwind

colors: {
  custom: {
    50: '#72afaa',
    500: '#288d88',
    950: '#000000',
  },
}

SCSS

$custom: #288d88;
$custom-light: #72afaa;
$custom-dark: #000000;

JSON

{
  "hex": "#288d88",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 136
  },
  "hsl": {
    "h": 177.03,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58615,
    "c": 0.0899,
    "h": 190.1
  },
  "luminance": 0.21278
}

Semantic roles & 50–950 ramp

primary

#288D88

secondary

#B75A5F

accent

#4950DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288D88

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

Preview Lab → · Contrast checker → · Palette generator →