#288D8A#288D8A

#288D8A is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.7% C 0.090 H 192.1°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#288D8A
RGB	rgb(40, 141, 138)
HSL	hsl(178, 56%, 35%)
HSV	hsv(178, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 2.1%, 44.7%)
CIE-LAB	lab(53.31, -28.65, -6.71)
CIE-LCH	lch(53.31, 29.43, 193.19°)
OKLab	oklab(58.69% -0.0876 -0.0187)
OKLCH	oklch(58.69% 0.09 192.1)
XYZ	xyz(14.9853, 21.3341, 27.3679)
Luminance	0.2134 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D8A #8D282B

analogous

#288D57 #288D8A #285D8D

triadic

#288D8A #8A288D #8D8A28

tetradic

#288D8A #57288D #8D282B #5D8D28

square

#288D8A #57288D #8D282B #5D8D28

split-complementary

#288D8A #8D285D #8D5728

monochromatic

#0D2E2D #1A5D5B #288D8A #36BDB9 #5ED1CE

Accessibility & contrast

On white

3.99

#288D8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#288D8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D8A

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D8A	#FFFFFF	#000000	##000000
##288D8A	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868A

Deuteranopia (green-blind)

#757B8B

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288d8a;
/* rgb */ color: rgb(40, 141, 138);
/* oklch */ color: oklch(58.7% 0.090 192.1);

Tailwind

colors: {
  custom: {
    50: '#72afac',
    500: '#288d8a',
    950: '#000000',
  },
}

SCSS

$custom: #288d8a;
$custom-light: #72afac;
$custom-dark: #000000;

JSON

{
  "hex": "#288d8a",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 138
  },
  "hsl": {
    "h": 178.218,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58686,
    "c": 0.08954,
    "h": 192.1
  },
  "luminance": 0.21336
}

Semantic roles & 50–950 ramp

primary

#288D8A

secondary

#B75A5D

accent

#494DDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288D8A

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

Preview Lab → · Contrast checker → · Palette generator →