#288A8A#288A8A

#288A8A is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.9% C 0.087 H 195.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288A8A
RGB	rgb(40, 138, 138)
HSL	hsl(180, 55%, 35%)
HSV	hsv(180, 71%, 54%)
CMYK	cmyk(71%, 0%, 0%, 45.9%)
CIE-LAB	lab(52.35, -27.17, -8.14)
CIE-LCH	lch(52.35, 28.36, 196.68°)
OKLab	oklab(57.91% -0.0844 -0.0226)
OKLCH	oklch(57.91% 0.087 195)
XYZ	xyz(14.5489, 20.4614, 27.2225)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A8A #8A2828

analogous

#288A59 #288A8A #28598A

triadic

#288A8A #8A288A #8A8A28

tetradic

#288A8A #59288A #8A2828 #598A28

square

#288A8A #59288A #8A2828 #598A28

split-complementary

#288A8A #8A2859 #8A5928

monochromatic

#0C2B2B #1A5B5B #288A8A #36B9B9 #5DD0D0

Accessibility & contrast

On white

4.12

#288A8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288A8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A8A

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A8A	#FFFFFF	#000000	##000000
##288A8A	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81838A

Deuteranopia (green-blind)

#72788B

Tritanopia (blue-blind)

#008E8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288a8a;
/* rgb */ color: rgb(40, 138, 138);
/* oklch */ color: oklch(57.9% 0.087 195.0);

Tailwind

colors: {
  custom: {
    50: '#72acac',
    500: '#288a8a',
    950: '#000000',
  },
}

SCSS

$custom: #288a8a;
$custom-light: #72acac;
$custom-dark: #000000;

JSON

{
  "hex": "#288a8a",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 138
  },
  "hsl": {
    "h": 180,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57909,
    "c": 0.08736,
    "h": 195
  },
  "luminance": 0.20463
}

Semantic roles & 50–950 ramp

primary

#288A8A

secondary

#B55959

accent

#4949DE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288A8A

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

Preview Lab → · Contrast checker → · Palette generator →