#288B80#288B80

#288B80 is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.8% C 0.090 H 184.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288B80
RGB	rgb(40, 139, 128)
HSL	hsl(173, 55%, 35%)
HSV	hsv(173, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 7.9%, 45.5%)
CIE-LAB	lab(52.37, -30.62, -2.32)
CIE-LCH	lch(52.37, 30.71, 184.33°)
OKLab	oklab(57.82% -0.0902 -0.0067)
OKLCH	oklch(57.82% 0.09 184.3)
XYZ	xyz(14.0021, 20.4732, 23.6317)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B80 #8B2833

analogous

#288B4E #288B80 #28658B

triadic

#288B80 #80288B #8B8028

tetradic

#288B80 #4E288B #8B2833 #658B28

square

#288B80 #4E288B #8B2833 #658B28

split-complementary

#288B80 #8B2865 #8B4E28

monochromatic

#0D2C28 #1A5B54 #288B80 #36BBAC #5DD0C4

Accessibility & contrast

On white

4.12

#288B80 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288B80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B80

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B80	#FFFFFF	#000000	##000000
##288B80	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848380

Deuteranopia (green-blind)

#767981

Tritanopia (blue-blind)

#008E87

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b80;
/* rgb */ color: rgb(40, 139, 128);
/* oklch */ color: oklch(57.8% 0.090 184.3);

Tailwind

colors: {
  custom: {
    50: '#71ada4',
    500: '#288b80',
    950: '#000000',
  },
}

SCSS

$custom: #288b80;
$custom-light: #71ada4;
$custom-dark: #000000;

JSON

{
  "hex": "#288b80",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 128
  },
  "hsl": {
    "h": 173.333,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57817,
    "c": 0.09042,
    "h": 184.3
  },
  "luminance": 0.20475
}

Semantic roles & 50–950 ramp

primary

#288B80

secondary

#B65963

accent

#495ADF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288B80

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

Preview Lab → · Contrast checker → · Palette generator →