#288B78#288B78

#288B78 is a mid, moderate teal. Relative luminance 0.203; OKLCH L 57.6% C 0.094 H 177.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#288B78
RGB	rgb(40, 139, 120)
HSL	hsl(168, 55%, 35%)
HSV	hsv(168, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 13.7%, 45.5%)
CIE-LAB	lab(52.14, -32.86, 1.99)
CIE-LCH	lch(52.14, 32.92, 176.53°)
OKLab	oklab(57.56% -0.0941 0.0048)
OKLCH	oklch(57.56% 0.094 177.1)
XYZ	xyz(13.4962, 20.2709, 20.9670)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B78 #8B283B

analogous

#288B47 #288B78 #286C8B

triadic

#288B78 #78288B #8B7828

tetradic

#288B78 #47288B #8B283B #6C8B28

square

#288B78 #47288B #8B283B #6C8B28

split-complementary

#288B78 #8B286C #8B4728

monochromatic

#0D2C26 #1A5B4F #288B78 #36BBA1 #5DD0BA

Accessibility & contrast

On white

4.15

#288B78 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#288B78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B78

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B78	#FFFFFF	#000000	##000000
##288B78	1.00	4.15	5.05	5.05
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868277

Deuteranopia (green-blind)

#787879

Tritanopia (blue-blind)

#008D85

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288b78;
/* rgb */ color: rgb(40, 139, 120);
/* oklch */ color: oklch(57.6% 0.094 177.1);

Tailwind

colors: {
  custom: {
    50: '#71ad9e',
    500: '#288b78',
    950: '#000000',
  },
}

SCSS

$custom: #288b78;
$custom-light: #71ad9e;
$custom-dark: #000000;

JSON

{
  "hex": "#288b78",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 120
  },
  "hsl": {
    "h": 168.485,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57558,
    "c": 0.09418,
    "h": 177.1
  },
  "luminance": 0.20272
}

Semantic roles & 50–950 ramp

primary

#288B78

secondary

#B6596B

accent

#4966DF

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#09100E

muted

#7B7F7E

Preview Lab

Preview with #288B78

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

Preview Lab → · Contrast checker → · Palette generator →