#288B8D#288B8D

#288B8D is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.3% C 0.088 H 197.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#288B8D
RGB	rgb(40, 139, 141)
HSL	hsl(181, 56%, 35%)
HSV	hsv(181, 72%, 55%)
CMYK	cmyk(71.6%, 1.4%, 0%, 44.7%)
CIE-LAB	lab(52.77, -26.75, -9.26)
CIE-LCH	lch(52.77, 28.31, 199.09°)
OKLab	oklab(58.28% -0.0841 -0.0257)
OKLCH	oklch(58.28% 0.088 197)
XYZ	xyz(14.9132, 20.8377, 28.4302)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B8D #8D2A28

analogous

#288D5C #288B8D #28588D

triadic

#288B8D #8D288B #8B8D28

tetradic

#288B8D #5C288D #8D2A28 #588D28

square

#288B8D #5C288D #8D2A28 #588D28

split-complementary

#288B8D #8D2858 #8D5C28

monochromatic

#0D2D2E #1A5C5D #288B8D #36BABD #5ECFD1

Accessibility & contrast

On white

4.06

#288B8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#288B8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B8D

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B8D	#FFFFFF	#000000	##000000
##288B8D	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848D

Deuteranopia (green-blind)

#72798E

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b8d;
/* rgb */ color: rgb(40, 139, 141);
/* oklch */ color: oklch(58.3% 0.088 197.0);

Tailwind

colors: {
  custom: {
    50: '#72adae',
    500: '#288b8d',
    950: '#000000',
  },
}

SCSS

$custom: #288b8d;
$custom-light: #72adae;
$custom-dark: #000000;

JSON

{
  "hex": "#288b8d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 141
  },
  "hsl": {
    "h": 181.188,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58279,
    "c": 0.0879,
    "h": 197
  },
  "luminance": 0.20839
}

Semantic roles & 50–950 ramp

primary

#288B8D

secondary

#B75C5A

accent

#4C49DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B8D

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

Preview Lab → · Contrast checker → · Palette generator →