#288F8B#288F8B

#288F8B is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.2% C 0.091 H 191.1°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#288F8B
RGB	rgb(40, 143, 139)
HSL	hsl(178, 56%, 36%)
HSV	hsv(178, 72%, 56%)
CMYK	cmyk(72%, 0%, 2.8%, 43.9%)
CIE-LAB	lab(53.98, -29.33, -6.30)
CIE-LCH	lch(53.98, 30.00, 192.12°)
OKLab	oklab(59.24% -0.0892 -0.0176)
OKLCH	oklch(59.24% 0.091 191.1)
XYZ	xyz(15.3556, 21.9583, 27.8502)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F8B #8F282C

analogous

#288F57 #288F8B #285F8F

triadic

#288F8B #8B288F #8F8B28

tetradic

#288F8B #57288F #8F282C #5F8F28

square

#288F8B #57288F #8F282C #5F8F28

split-complementary

#288F8B #8F285F #8F5728

monochromatic

#0D2F2E #1B5F5D #288F8B #35BFB9 #5FD2CE

Accessibility & contrast

On white

3.89

#288F8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#288F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F8B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F8B	#FFFFFF	#000000	##000000
##288F8B	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878B

Deuteranopia (green-blind)

#777C8C

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288f8b;
/* rgb */ color: rgb(40, 143, 139);
/* oklch */ color: oklch(59.2% 0.091 191.1);

Tailwind

colors: {
  custom: {
    50: '#73b0ac',
    500: '#288f8b',
    950: '#000000',
  },
}

SCSS

$custom: #288f8b;
$custom-light: #73b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#288f8b",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 139
  },
  "hsl": {
    "h": 177.67,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59241,
    "c": 0.09092,
    "h": 191.1
  },
  "luminance": 0.2196
}

Semantic roles & 50–950 ramp

primary

#288F8B

secondary

#B85B5F

accent

#484EE0

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288F8B

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

Preview Lab → · Contrast checker → · Palette generator →