#288A87#288A87

#288A87 is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.8% C 0.088 H 192.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#288A87
RGB	rgb(40, 138, 135)
HSL	hsl(178, 55%, 35%)
HSV	hsv(178, 71%, 54%)
CMYK	cmyk(71%, 0%, 2.2%, 45.9%)
CIE-LAB	lab(52.26, -28.08, -6.54)
CIE-LCH	lch(52.26, 28.83, 193.12°)
OKLab	oklab(57.8% -0.0858 -0.0182)
OKLCH	oklch(57.8% 0.088 192)
XYZ	xyz(14.3347, 20.3757, 26.0944)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A87 #8A282B

analogous

#288A56 #288A87 #285C8A

triadic

#288A87 #87288A #8A8728

tetradic

#288A87 #56288A #8A282B #5C8A28

square

#288A87 #56288A #8A282B #5C8A28

split-complementary

#288A87 #8A285C #8A5628

monochromatic

#0C2B2A #1A5B59 #288A87 #36B9B5 #5DD0CC

Accessibility & contrast

On white

4.14

#288A87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#288A87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A87

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A87	#FFFFFF	#000000	##000000
##288A87	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818387

Deuteranopia (green-blind)

#737888

Tritanopia (blue-blind)

#008E89

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288a87;
/* rgb */ color: rgb(40, 138, 135);
/* oklch */ color: oklch(57.8% 0.088 192.0);

Tailwind

colors: {
  custom: {
    50: '#72aca9',
    500: '#288a87',
    950: '#000000',
  },
}

SCSS

$custom: #288a87;
$custom-light: #72aca9;
$custom-dark: #000000;

JSON

{
  "hex": "#288a87",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 135
  },
  "hsl": {
    "h": 178.163,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57799,
    "c": 0.08769,
    "h": 192
  },
  "luminance": 0.20377
}

Semantic roles & 50–950 ramp

primary

#288A87

secondary

#B5595B

accent

#494EDE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288A87

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

Preview Lab → · Contrast checker → · Palette generator →