#288D8B#288D8B

#288D8B is a mid, moderate teal. Relative luminance 0.214; OKLCH L 58.7% C 0.089 H 193.0°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#288D8B
RGB	rgb(40, 141, 139)
HSL	hsl(179, 56%, 35%)
HSV	hsv(179, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 1.4%, 44.7%)
CIE-LAB	lab(53.34, -28.35, -7.25)
CIE-LCH	lch(53.34, 29.26, 194.34°)
OKLab	oklab(58.72% -0.0871 -0.0202)
OKLCH	oklch(58.72% 0.089 193)
XYZ	xyz(15.0580, 21.3632, 27.7510)
Luminance	0.2137 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D8B #8D282A

analogous

#288D58 #288D8B #285C8D

triadic

#288D8B #8B288D #8D8B28

tetradic

#288D8B #58288D #8D282A #5C8D28

square

#288D8B #58288D #8D282A #5C8D28

split-complementary

#288D8B #8D285C #8D5828

monochromatic

#0D2E2D #1A5D5C #288D8B #36BDBA #5ED1CF

Accessibility & contrast

On white

3.98

#288D8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#288D8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D8B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D8B	#FFFFFF	#000000	##000000
##288D8B	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868B

Deuteranopia (green-blind)

#757B8C

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288d8b;
/* rgb */ color: rgb(40, 141, 139);
/* oklch */ color: oklch(58.7% 0.089 193.0);

Tailwind

colors: {
  custom: {
    50: '#72afac',
    500: '#288d8b',
    950: '#000000',
  },
}

SCSS

$custom: #288d8b;
$custom-light: #72afac;
$custom-dark: #000000;

JSON

{
  "hex": "#288d8b",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 139
  },
  "hsl": {
    "h": 178.812,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58722,
    "c": 0.0894,
    "h": 193
  },
  "luminance": 0.21365
}

Semantic roles & 50–950 ramp

primary

#288D8B

secondary

#B75A5C

accent

#494CDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288D8B

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

Preview Lab → · Contrast checker → · Palette generator →