#288C8D#288C8D

#288C8D is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.5% C 0.089 H 196.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#288C8D
RGB	rgb(40, 140, 141)
HSL	hsl(181, 56%, 35%)
HSV	hsv(181, 72%, 55%)
CMYK	cmyk(71.6%, 0.7%, 0%, 44.7%)
CIE-LAB	lab(53.09, -27.25, -8.78)
CIE-LCH	lch(53.09, 28.63, 197.87°)
OKLab	oklab(58.54% -0.0851 -0.0244)
OKLCH	oklch(58.54% 0.089 196)
XYZ	xyz(15.0587, 21.1286, 28.4787)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C8D #8D2928

analogous

#288D5B #288C8D #28598D

triadic

#288C8D #8D288C #8C8D28

tetradic

#288C8D #5B288D #8D2928 #598D28

square

#288C8D #5B288D #8D2928 #598D28

split-complementary

#288C8D #8D2859 #8D5B28

monochromatic

#0D2D2E #1A5D5D #288C8D #36BBBD #5ED0D1

Accessibility & contrast

On white

4.02

#288C8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#288C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C8D

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C8D	#FFFFFF	#000000	##000000
##288C8D	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858D

Deuteranopia (green-blind)

#737A8E

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #288c8d;
/* rgb */ color: rgb(40, 140, 141);
/* oklch */ color: oklch(58.5% 0.089 196.0);

Tailwind

colors: {
  custom: {
    50: '#73aeae',
    500: '#288c8d',
    950: '#000000',
  },
}

SCSS

$custom: #288c8d;
$custom-light: #73aeae;
$custom-dark: #000000;

JSON

{
  "hex": "#288c8d",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 141
  },
  "hsl": {
    "h": 180.594,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.58537,
    "c": 0.08854,
    "h": 196
  },
  "luminance": 0.2113
}

Semantic roles & 50–950 ramp

primary

#288C8D

secondary

#B75B5A

accent

#4A49DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288C8D

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

Preview Lab → · Contrast checker → · Palette generator →