#288E99#288E99

#288E99 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.091 H 205.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#288E99
RGB	rgb(40, 142, 153)
HSL	hsl(186, 59%, 38%)
HSV	hsv(186, 74%, 60%)
CMYK	cmyk(73.9%, 7.2%, 0%, 40%)
CIE-LAB	lab(54.13, -24.51, -14.16)
CIE-LCH	lch(54.13, 28.30, 210.01°)
OKLab	oklab(59.51% -0.0818 -0.0393)
OKLCH	oklch(59.51% 0.091 205.7)
XYZ	xyz(16.2953, 22.0951, 33.5368)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E99 #993328

analogous

#28996C #288E99 #285599

triadic

#288E99 #99288E #8E9928

tetradic

#288E99 #6C2899 #993328 #559928

square

#288E99 #6C2899 #993328 #559928

split-complementary

#288E99 #992855 #996C28

monochromatic

#0F3438 #1B6168 #288E99 #35BBCA #65CCD7

Accessibility & contrast

On white

3.87

#288E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#288E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E99

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E99	#FFFFFF	#000000	##000000
##288E99	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82889A

Deuteranopia (green-blind)

#727C99

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288e99;
/* rgb */ color: rgb(40, 142, 153);
/* oklch */ color: oklch(59.5% 0.091 205.7);

Tailwind

colors: {
  custom: {
    50: '#74afb7',
    500: '#288e99',
    950: '#000000',
  },
}

SCSS

$custom: #288e99;
$custom-light: #74afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#288e99",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 153
  },
  "hsl": {
    "h": 185.841,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.59511,
    "c": 0.09079,
    "h": 205.7
  },
  "luminance": 0.22097
}

Semantic roles & 50–950 ramp

primary

#288E99

secondary

#BD6960

accent

#5546E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288E99

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

Preview Lab → · Contrast checker → · Palette generator →