#288579#288579

#288579 is a mid, moderate teal. Relative luminance 0.186; OKLCH L 56.0% C 0.087 H 182.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#288579
RGB	rgb(40, 133, 121)
HSL	hsl(172, 54%, 34%)
HSV	hsv(172, 70%, 52%)
CMYK	cmyk(69.9%, 0%, 9%, 47.8%)
CIE-LAB	lab(50.22, -29.74, -1.39)
CIE-LCH	lch(50.22, 29.77, 182.68°)
OKLab	oklab(56% -0.087 -0.0042)
OKLCH	oklch(56% 0.087 182.8)
XYZ	xyz(12.7122, 18.6052, 21.0067)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288579 #852834

analogous

#28854B #288579 #286385

triadic

#288579 #792885 #857928

tetradic

#288579 #4B2885 #852834 #638528

square

#288579 #4B2885 #852834 #638528

split-complementary

#288579 #852863 #854B28

monochromatic

#0C2723 #1A564E #288579 #36B4A4 #5ACDBE

Accessibility & contrast

On white

4.45

#288579 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#288579 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288579

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288579	#FFFFFF	#000000	##000000
##288579	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7D79

Deuteranopia (green-blind)

#71737A

Tritanopia (blue-blind)

#008881

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #288579;
/* rgb */ color: rgb(40, 133, 121);
/* oklch */ color: oklch(56.0% 0.087 182.8);

Tailwind

colors: {
  custom: {
    50: '#70a99f',
    500: '#288579',
    950: '#000000',
  },
}

SCSS

$custom: #288579;
$custom-light: #70a99f;
$custom-dark: #000000;

JSON

{
  "hex": "#288579",
  "rgb": {
    "r": 40,
    "g": 133,
    "b": 121
  },
  "hsl": {
    "h": 172.258,
    "s": 53.757,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56002,
    "c": 0.08715,
    "h": 182.8
  },
  "luminance": 0.18607
}

Semantic roles & 50–950 ramp

primary

#288579

secondary

#B35662

accent

#4B5EDD

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #288579

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

Preview Lab → · Contrast checker → · Palette generator →