#288B88#288B88

#288B88 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.088 H 192.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#288B88
RGB	rgb(40, 139, 136)
HSL	hsl(178, 55%, 35%)
HSV	hsv(178, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 2.2%, 45.5%)
CIE-LAB	lab(52.61, -28.27, -6.60)
CIE-LCH	lch(52.61, 29.03, 193.14°)
OKLab	oklab(58.1% -0.0864 -0.0184)
OKLCH	oklch(58.1% 0.088 192)
XYZ	xyz(14.5496, 20.6922, 26.5150)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B88 #8B282B

analogous

#288B57 #288B88 #285C8B

triadic

#288B88 #88288B #8B8828

tetradic

#288B88 #57288B #8B282B #5C8B28

square

#288B88 #57288B #8B282B #5C8B28

split-complementary

#288B88 #8B285C #8B5728

monochromatic

#0D2C2B #1A5B5A #288B88 #36BBB6 #5DD0CD

Accessibility & contrast

On white

4.09

#288B88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#288B88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B88

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B88	#FFFFFF	#000000	##000000
##288B88	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828488

Deuteranopia (green-blind)

#747989

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b88;
/* rgb */ color: rgb(40, 139, 136);
/* oklch */ color: oklch(58.1% 0.088 192.0);

Tailwind

colors: {
  custom: {
    50: '#72adaa',
    500: '#288b88',
    950: '#000000',
  },
}

SCSS

$custom: #288b88;
$custom-light: #72adaa;
$custom-dark: #000000;

JSON

{
  "hex": "#288b88",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 136
  },
  "hsl": {
    "h": 178.182,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58095,
    "c": 0.08831,
    "h": 192
  },
  "luminance": 0.20694
}

Semantic roles & 50–950 ramp

primary

#288B88

secondary

#B6595C

accent

#494EDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B88

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

Preview Lab → · Contrast checker → · Palette generator →