#288C80#288C80

#288C80 is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.1% C 0.091 H 183.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#288C80
RGB	rgb(40, 140, 128)
HSL	hsl(173, 56%, 35%)
HSV	hsv(173, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 8.6%, 45.1%)
CIE-LAB	lab(52.69, -31.10, -1.84)
CIE-LCH	lch(52.69, 31.15, 183.39°)
OKLab	oklab(58.08% -0.0912 -0.0055)
OKLCH	oklch(58.08% 0.091 183.4)
XYZ	xyz(14.1476, 20.7642, 23.6802)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C80 #8C2834

analogous

#288C4E #288C80 #28668C

triadic

#288C80 #80288C #8C8028

tetradic

#288C80 #4E288C #8C2834 #668C28

square

#288C80 #4E288C #8C2834 #668C28

split-complementary

#288C80 #8C2866 #8C4E28

monochromatic

#0D2D29 #1A5C54 #288C80 #36BCAC #5ED1C3

Accessibility & contrast

On white

4.08

#288C80 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#288C80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C80

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C80	#FFFFFF	#000000	##000000
##288C80	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858480

Deuteranopia (green-blind)

#777981

Tritanopia (blue-blind)

#008F88

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288c80;
/* rgb */ color: rgb(40, 140, 128);
/* oklch */ color: oklch(58.1% 0.091 183.4);

Tailwind

colors: {
  custom: {
    50: '#71aea4',
    500: '#288c80',
    950: '#000000',
  },
}

SCSS

$custom: #288c80;
$custom-light: #71aea4;
$custom-dark: #000000;

JSON

{
  "hex": "#288c80",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 128
  },
  "hsl": {
    "h": 172.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.5808,
    "c": 0.0914,
    "h": 183.4
  },
  "luminance": 0.20766
}

Semantic roles & 50–950 ramp

primary

#288C80

secondary

#B65A65

accent

#495BDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288C80

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

Preview Lab → · Contrast checker → · Palette generator →