#288A90#288A90

#288A90 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.1% C 0.087 H 201.1°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#288A90
RGB	rgb(40, 138, 144)
HSL	hsl(183, 57%, 36%)
HSV	hsv(183, 72%, 56%)
CMYK	cmyk(72.2%, 4.2%, 0%, 43.5%)
CIE-LAB	lab(52.55, -25.31, -11.33)
CIE-LCH	lch(52.55, 27.73, 204.11°)
OKLab	oklab(58.14% -0.0816 -0.0314)
OKLCH	oklch(58.14% 0.087 201.1)
XYZ	xyz(14.9954, 20.6399, 29.5738)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A90 #902E28

analogous

#289062 #288A90 #285690

triadic

#288A90 #90288A #8A9028

tetradic

#288A90 #622890 #902E28 #569028

square

#288A90 #622890 #902E28 #569028

split-complementary

#288A90 #902856 #906228

monochromatic

#0D2E30 #1B5C60 #288A90 #35B8C0 #60CCD3

Accessibility & contrast

On white

4.09

#288A90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#288A90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A90

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A90	#FFFFFF	#000000	##000000
##288A90	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8491

Deuteranopia (green-blind)

#707990

Tritanopia (blue-blind)

#008F8C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288a90;
/* rgb */ color: rgb(40, 138, 144);
/* oklch */ color: oklch(58.1% 0.087 201.1);

Tailwind

colors: {
  custom: {
    50: '#73acb0',
    500: '#288a90',
    950: '#000000',
  },
}

SCSS

$custom: #288a90;
$custom-light: #73acb0;
$custom-dark: #000000;

JSON

{
  "hex": "#288a90",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 144
  },
  "hsl": {
    "h": 183.462,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.58135,
    "c": 0.08748,
    "h": 201.1
  },
  "luminance": 0.20642
}

Semantic roles & 50–950 ramp

primary

#288A90

secondary

#B8615C

accent

#5148E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288A90

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

Preview Lab → · Contrast checker → · Palette generator →