#288F8F#288F8F

#288F8F is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.4% C 0.090 H 195.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#288F8F
RGB	rgb(40, 143, 143)
HSL	hsl(180, 56%, 36%)
HSV	hsv(180, 72%, 56%)
CMYK	cmyk(72%, 0%, 0%, 43.9%)
CIE-LAB	lab(54.11, -28.13, -8.42)
CIE-LCH	lch(54.11, 29.36, 196.66°)
OKLab	oklab(59.39% -0.0874 -0.0234)
OKLCH	oklch(59.39% 0.09 195)
XYZ	xyz(15.6532, 22.0774, 29.4177)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F8F #8F2828

analogous

#288F5B #288F8F #285B8F

triadic

#288F8F #8F288F #8F8F28

tetradic

#288F8F #5B288F #8F2828 #5B8F28

square

#288F8F #5B288F #8F2828 #5B8F28

split-complementary

#288F8F #8F285B #8F5B28

monochromatic

#0D2F2F #1B5F5F #288F8F #35BFBF #5FD2D2

Accessibility & contrast

On white

3.88

#288F8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#288F8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F8F

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F8F	#FFFFFF	#000000	##000000
##288F8F	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85888F

Deuteranopia (green-blind)

#767D90

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288f8f;
/* rgb */ color: rgb(40, 143, 143);
/* oklch */ color: oklch(59.4% 0.090 195.0);

Tailwind

colors: {
  custom: {
    50: '#73b0af',
    500: '#288f8f',
    950: '#000000',
  },
}

SCSS

$custom: #288f8f;
$custom-light: #73b0af;
$custom-dark: #000000;

JSON

{
  "hex": "#288f8f",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 143
  },
  "hsl": {
    "h": 180,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59385,
    "c": 0.09044,
    "h": 195
  },
  "luminance": 0.22079
}

Semantic roles & 50–950 ramp

primary

#288F8F

secondary

#B85B5B

accent

#4848E0

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288F8F

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

Preview Lab → · Contrast checker → · Palette generator →