#288B82#288B82

#288B82 is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.9% C 0.090 H 186.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#288B82
RGB	rgb(40, 139, 130)
HSL	hsl(175, 55%, 35%)
HSV	hsv(175, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 6.5%, 45.5%)
CIE-LAB	lab(52.43, -30.04, -3.39)
CIE-LCH	lch(52.43, 30.23, 186.44°)
OKLab	oklab(57.89% -0.0892 -0.0096)
OKLCH	oklch(57.89% 0.09 186.2)
XYZ	xyz(14.1351, 20.5264, 24.3318)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B82 #8B2831

analogous

#288B50 #288B82 #28638B

triadic

#288B82 #82288B #8B8228

tetradic

#288B82 #50288B #8B2831 #638B28

square

#288B82 #50288B #8B2831 #638B28

split-complementary

#288B82 #8B2863 #8B5028

monochromatic

#0D2C29 #1A5B56 #288B82 #36BBAE #5DD0C6

Accessibility & contrast

On white

4.11

#288B82 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#288B82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B82

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B82	#FFFFFF	#000000	##000000
##288B82	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848382

Deuteranopia (green-blind)

#757983

Tritanopia (blue-blind)

#008E88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b82;
/* rgb */ color: rgb(40, 139, 130);
/* oklch */ color: oklch(57.9% 0.090 186.2);

Tailwind

colors: {
  custom: {
    50: '#71ada6',
    500: '#288b82',
    950: '#000000',
  },
}

SCSS

$custom: #288b82;
$custom-light: #71ada6;
$custom-dark: #000000;

JSON

{
  "hex": "#288b82",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 130
  },
  "hsl": {
    "h": 174.545,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57885,
    "c": 0.08973,
    "h": 186.2
  },
  "luminance": 0.20528
}

Semantic roles & 50–950 ramp

primary

#288B82

secondary

#B65962

accent

#4957DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288B82

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

Preview Lab → · Contrast checker → · Palette generator →