#288B8E#288B8E

#288B8E is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.3% C 0.088 H 198.0°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#288B8E
RGB	rgb(40, 139, 142)
HSL	hsl(182, 56%, 36%)
HSV	hsv(182, 72%, 56%)
CMYK	cmyk(71.8%, 2.1%, 0%, 44.3%)
CIE-LAB	lab(52.80, -26.44, -9.79)
CIE-LCH	lch(52.80, 28.20, 200.32°)
OKLab	oklab(58.32% -0.0836 -0.0272)
OKLCH	oklch(58.32% 0.088 198)
XYZ	xyz(14.9880, 20.8676, 28.8239)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B8E #8E2B28

analogous

#288E5E #288B8E #28588E

triadic

#288B8E #8E288B #8B8E28

tetradic

#288B8E #5E288E #8E2B28 #588E28

square

#288B8E #5E288E #8E2B28 #588E28

split-complementary

#288B8E #8E2858 #8E5E28

monochromatic

#0D2E2F #1B5C5E #288B8E #35BABE #5FCED2

Accessibility & contrast

On white

4.06

#288B8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#288B8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B8E

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B8E	#FFFFFF	#000000	##000000
##288B8E	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848E

Deuteranopia (green-blind)

#72798F

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b8e;
/* rgb */ color: rgb(40, 139, 142);
/* oklch */ color: oklch(58.3% 0.088 198.0);

Tailwind

colors: {
  custom: {
    50: '#72adaf',
    500: '#288b8e',
    950: '#000000',
  },
}

SCSS

$custom: #288b8e;
$custom-light: #72adaf;
$custom-dark: #000000;

JSON

{
  "hex": "#288b8e",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 142
  },
  "hsl": {
    "h": 181.765,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58316,
    "c": 0.08791,
    "h": 198
  },
  "luminance": 0.20869
}

Semantic roles & 50–950 ramp

primary

#288B8E

secondary

#B75D5B

accent

#4D48DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B8E

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

Preview Lab → · Contrast checker → · Palette generator →