#288D8F#288D8F

#288D8F is a mid, moderate teal. Relative luminance 0.215; OKLCH L 58.9% C 0.089 H 197.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#288D8F
RGB	rgb(40, 141, 143)
HSL	hsl(181, 56%, 36%)
HSV	hsv(181, 72%, 56%)
CMYK	cmyk(72%, 1.4%, 0%, 43.9%)
CIE-LAB	lab(53.47, -27.13, -9.37)
CIE-LCH	lch(53.47, 28.71, 199.05°)
OKLab	oklab(58.87% -0.0853 -0.026)
OKLCH	oklch(58.87% 0.089 197)
XYZ	xyz(15.3556, 21.4822, 29.3185)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D8F #8F2A28

analogous

#288F5D #288D8F #28598F

triadic

#288D8F #8F288D #8D8F28

tetradic

#288D8F #5D288F #8F2A28 #598F28

square

#288D8F #5D288F #8F2A28 #598F28

split-complementary

#288D8F #8F2859 #8F5D28

monochromatic

#0D2F2F #1B5E5F #288D8F #35BCBF #5FD0D2

Accessibility & contrast

On white

3.96

#288D8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#288D8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D8F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D8F	#FFFFFF	#000000	##000000
##288D8F	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83868F

Deuteranopia (green-blind)

#747B90

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288d8f;
/* rgb */ color: rgb(40, 141, 143);
/* oklch */ color: oklch(58.9% 0.089 197.0);

Tailwind

colors: {
  custom: {
    50: '#73aeaf',
    500: '#288d8f',
    950: '#000000',
  },
}

SCSS

$custom: #288d8f;
$custom-light: #73aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#288d8f",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 143
  },
  "hsl": {
    "h": 181.165,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.58869,
    "c": 0.08913,
    "h": 197
  },
  "luminance": 0.21484
}

Semantic roles & 50–950 ramp

primary

#288D8F

secondary

#B85D5B

accent

#4B48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288D8F

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

Preview Lab → · Contrast checker → · Palette generator →