#288E8A#288E8A

#288E8A is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.9% C 0.090 H 191.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#288E8A
RGB	rgb(40, 142, 138)
HSL	hsl(178, 56%, 36%)
HSV	hsv(178, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 2.8%, 44.3%)
CIE-LAB	lab(53.63, -29.14, -6.24)
CIE-LCH	lch(53.63, 29.80, 192.08°)
OKLab	oklab(58.95% -0.0886 -0.0174)
OKLCH	oklch(58.95% 0.09 191.1)
XYZ	xyz(15.1334, 21.6303, 27.4173)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E8A #8E282C

analogous

#288E57 #288E8A #285F8E

triadic

#288E8A #8A288E #8E8A28

tetradic

#288E8A #57288E #8E282C #5F8E28

square

#288E8A #57288E #8E282C #5F8E28

split-complementary

#288E8A #8E285F #8E5728

monochromatic

#0D2F2D #1B5E5C #288E8A #35BEB8 #5FD2CD

Accessibility & contrast

On white

3.94

#288E8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#288E8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E8A

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E8A	#FFFFFF	#000000	##000000
##288E8A	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868A

Deuteranopia (green-blind)

#767C8B

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288e8a;
/* rgb */ color: rgb(40, 142, 138);
/* oklch */ color: oklch(58.9% 0.090 191.1);

Tailwind

colors: {
  custom: {
    50: '#73afac',
    500: '#288e8a',
    950: '#000000',
  },
}

SCSS

$custom: #288e8a;
$custom-light: #73afac;
$custom-dark: #000000;

JSON

{
  "hex": "#288e8a",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 138
  },
  "hsl": {
    "h": 177.647,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58946,
    "c": 0.09031,
    "h": 191.1
  },
  "luminance": 0.21632
}

Semantic roles & 50–950 ramp

primary

#288E8A

secondary

#B75B5E

accent

#484EDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288E8A

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

Preview Lab → · Contrast checker → · Palette generator →