#288C8F#288C8F

#288C8F is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.6% C 0.089 H 198.0°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#288C8F
RGB	rgb(40, 140, 143)
HSL	hsl(182, 56%, 36%)
HSV	hsv(182, 72%, 56%)
CMYK	cmyk(72%, 2.1%, 0%, 43.9%)
CIE-LAB	lab(53.16, -26.63, -9.84)
CIE-LCH	lch(53.16, 28.39, 200.28°)
OKLab	oklab(58.61% -0.0842 -0.0273)
OKLCH	oklch(58.61% 0.089 198)
XYZ	xyz(15.2089, 21.1887, 29.2695)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C8F #8F2B28

analogous

#288F5E #288C8F #28588F

triadic

#288C8F #8F288C #8C8F28

tetradic

#288C8F #5E288F #8F2B28 #588F28

square

#288C8F #5E288F #8F2B28 #588F28

split-complementary

#288C8F #8F2858 #8F5E28

monochromatic

#0D2E2F #1B5D5F #288C8F #35BBBF #5FCFD2

Accessibility & contrast

On white

4.01

#288C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#288C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C8F

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C8F	#FFFFFF	#000000	##000000
##288C8F	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858F

Deuteranopia (green-blind)

#737A90

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288c8f;
/* rgb */ color: rgb(40, 140, 143);
/* oklch */ color: oklch(58.6% 0.089 198.0);

Tailwind

colors: {
  custom: {
    50: '#73aeaf',
    500: '#288c8f',
    950: '#000000',
  },
}

SCSS

$custom: #288c8f;
$custom-light: #73aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#288c8f",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 181.748,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.58612,
    "c": 0.08852,
    "h": 198
  },
  "luminance": 0.2119
}

Semantic roles & 50–950 ramp

primary

#288C8F

secondary

#B85E5B

accent

#4D48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288C8F

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

Preview Lab → · Contrast checker → · Palette generator →