#288D99#288D99

#288D99 is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.3% C 0.090 H 206.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#288D99
RGB	rgb(40, 141, 153)
HSL	hsl(186, 59%, 38%)
HSV	hsv(186, 74%, 60%)
CMYK	cmyk(73.9%, 7.8%, 0%, 40%)
CIE-LAB	lab(53.81, -24.00, -14.63)
CIE-LCH	lch(53.81, 28.11, 211.38°)
OKLab	oklab(59.26% -0.0808 -0.0407)
OKLCH	oklch(59.26% 0.09 206.7)
XYZ	xyz(16.1472, 21.7989, 33.4874)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D99 #993428

analogous

#28996D #288D99 #285499

triadic

#288D99 #99288D #8D9928

tetradic

#288D99 #6D2899 #993428 #549928

square

#288D99 #6D2899 #993428 #549928

split-complementary

#288D99 #992854 #996D28

monochromatic

#0F3438 #1B6068 #288D99 #35BACA #65CBD7

Accessibility & contrast

On white

3.92

#288D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#288D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D99

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D99	#FFFFFF	#000000	##000000
##288D99	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81879A

Deuteranopia (green-blind)

#717C99

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288d99;
/* rgb */ color: rgb(40, 141, 153);
/* oklch */ color: oklch(59.3% 0.090 206.7);

Tailwind

colors: {
  custom: {
    50: '#74aeb7',
    500: '#288d99',
    950: '#000000',
  },
}

SCSS

$custom: #288d99;
$custom-light: #74aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#288d99",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 186.372,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.59257,
    "c": 0.09045,
    "h": 206.7
  },
  "luminance": 0.21801
}

Semantic roles & 50–950 ramp

primary

#288D99

secondary

#BD6A60

accent

#5746E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288D99

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

Preview Lab → · Contrast checker → · Palette generator →