#288C8A#288C8A

#288C8A is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.4% C 0.089 H 193.0°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#288C8A
RGB	rgb(40, 140, 138)
HSL	hsl(179, 56%, 35%)
HSV	hsv(179, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 1.4%, 45.1%)
CIE-LAB	lab(52.99, -28.16, -7.19)
CIE-LCH	lch(52.99, 29.06, 194.32°)
OKLab	oklab(58.43% -0.0865 -0.02)
OKLCH	oklch(58.43% 0.089 193)
XYZ	xyz(14.8385, 21.0405, 27.3190)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C8A #8C282A

analogous

#288C58 #288C8A #285C8C

triadic

#288C8A #8A288C #8C8A28

tetradic

#288C8A #58288C #8C282A #5C8C28

square

#288C8A #58288C #8C282A #5C8C28

split-complementary

#288C8A #8C285C #8C5828

monochromatic

#0D2D2C #1A5C5B #288C8A #36BCB9 #5ED1CF

Accessibility & contrast

On white

4.03

#288C8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#288C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C8A

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C8A	#FFFFFF	#000000	##000000
##288C8A	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858A

Deuteranopia (green-blind)

#747A8B

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288c8a;
/* rgb */ color: rgb(40, 140, 138);
/* oklch */ color: oklch(58.4% 0.089 193.0);

Tailwind

colors: {
  custom: {
    50: '#72aeac',
    500: '#288c8a',
    950: '#000000',
  },
}

SCSS

$custom: #288c8a;
$custom-light: #72aeac;
$custom-dark: #000000;

JSON

{
  "hex": "#288c8a",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 138
  },
  "hsl": {
    "h": 178.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58427,
    "c": 0.08878,
    "h": 193
  },
  "luminance": 0.21042
}

Semantic roles & 50–950 ramp

primary

#288C8A

secondary

#B65A5B

accent

#494CDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288C8A

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

Preview Lab → · Contrast checker → · Palette generator →