#288B87#288B87

#288B87 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.088 H 191.0°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#288B87
RGB	rgb(40, 139, 135)
HSL	hsl(178, 55%, 35%)
HSV	hsv(178, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 2.9%, 45.5%)
CIE-LAB	lab(52.58, -28.57, -6.07)
CIE-LCH	lch(52.58, 29.20, 191.99°)
OKLab	oklab(58.06% -0.0868 -0.0169)
OKLCH	oklch(58.06% 0.088 191)
XYZ	xyz(14.4789, 20.6639, 26.1424)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B87 #8B282C

analogous

#288B56 #288B87 #285D8B

triadic

#288B87 #87288B #8B8728

tetradic

#288B87 #56288B #8B282C #5D8B28

square

#288B87 #56288B #8B282C #5D8B28

split-complementary

#288B87 #8B285D #8B5628

monochromatic

#0D2C2B #1A5B59 #288B87 #36BBB5 #5DD0CC

Accessibility & contrast

On white

4.09

#288B87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#288B87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B87

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B87	#FFFFFF	#000000	##000000
##288B87	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)

#838487

Deuteranopia (green-blind)

#747988

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b87;
/* rgb */ color: rgb(40, 139, 135);
/* oklch */ color: oklch(58.1% 0.088 191.0);

Tailwind

colors: {
  custom: {
    50: '#72ada9',
    500: '#288b87',
    950: '#000000',
  },
}

SCSS

$custom: #288b87;
$custom-light: #72ada9;
$custom-dark: #000000;

JSON

{
  "hex": "#288b87",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 135
  },
  "hsl": {
    "h": 177.576,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5806,
    "c": 0.08847,
    "h": 191
  },
  "luminance": 0.20666
}

Semantic roles & 50–950 ramp

primary

#288B87

secondary

#B6595D

accent

#494FDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B87

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

Preview Lab → · Contrast checker → · Palette generator →