#288D9F#288D9F

#288D9F is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.5% C 0.093 H 212.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#288D9F
RGB	rgb(40, 141, 159)
HSL	hsl(189, 60%, 39%)
HSV	hsv(189, 75%, 62%)
CMYK	cmyk(74.8%, 11.3%, 0%, 37.6%)
CIE-LAB	lab(54.03, -22.05, -17.77)
CIE-LCH	lch(54.03, 28.32, 218.85°)
OKLab	oklab(59.5% -0.0782 -0.0495)
OKLCH	oklch(59.5% 0.093 212.3)
XYZ	xyz(16.6553, 22.0021, 36.1632)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D9F #9F3A28

analogous

#289F76 #288D9F #28529F

triadic

#288D9F #9F288D #8D9F28

tetradic

#288D9F #76289F #9F3A28 #529F28

square

#288D9F #76289F #9F3A28 #529F28

split-complementary

#288D9F #9F2852 #9F7628

monochromatic

#0F363D #1C626E #288D9F #37B6CD #68C8D9

Accessibility & contrast

On white

3.89

#288D9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#288D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D9F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D9F	#FFFFFF	#000000	##000000
##288D9F	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F88A0

Deuteranopia (green-blind)

#6F7C9F

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288d9f;
/* rgb */ color: rgb(40, 141, 159);
/* oklch */ color: oklch(59.5% 0.093 212.3);

Tailwind

colors: {
  custom: {
    50: '#75aebb',
    500: '#288d9f',
    950: '#000000',
  },
}

SCSS

$custom: #288d9f;
$custom-light: #75aebb;
$custom-dark: #000000;

JSON

{
  "hex": "#288d9f",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 159
  },
  "hsl": {
    "h": 189.076,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59503,
    "c": 0.09255,
    "h": 212.3
  },
  "luminance": 0.22004
}

Semantic roles & 50–950 ramp

primary

#288D9F

secondary

#BF7164

accent

#5D45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288D9F

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

Preview Lab → · Contrast checker → · Palette generator →