#288F9A#288F9A

#288F9A is a mid, moderate teal. Relative luminance 0.224; OKLCH L 59.8% C 0.091 H 205.6°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#288F9A
RGB	rgb(40, 143, 154)
HSL	hsl(186, 59%, 38%)
HSV	hsv(186, 74%, 60%)
CMYK	cmyk(74%, 7.1%, 0%, 39.6%)
CIE-LAB	lab(54.48, -24.70, -14.20)
CIE-LCH	lch(54.48, 28.50, 209.90°)
OKLab	oklab(59.81% -0.0824 -0.0395)
OKLCH	oklch(59.81% 0.091 205.6)
XYZ	xyz(16.5277, 22.4272, 34.0234)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F9A #9A3328

analogous

#289A6C #288F9A #28569A

triadic

#288F9A #9A288F #8F9A28

tetradic

#288F9A #6C289A #9A3328 #569A28

square

#288F9A #6C289A #9A3328 #569A28

split-complementary

#288F9A #9A2856 #9A6C28

monochromatic

#0F3539 #1B6269 #288F9A #35BCCA #65CCD7

Accessibility & contrast

On white

3.83

#288F9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#288F9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F9A

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F9A	#FFFFFF	#000000	##000000
##288F9A	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83899B

Deuteranopia (green-blind)

#737D9A

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288f9a;
/* rgb */ color: rgb(40, 143, 154);
/* oklch */ color: oklch(59.8% 0.091 205.6);

Tailwind

colors: {
  custom: {
    50: '#74b0b7',
    500: '#288f9a',
    950: '#000000',
  },
}

SCSS

$custom: #288f9a;
$custom-light: #74b0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#288f9a",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 154
  },
  "hsl": {
    "h": 185.789,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59806,
    "c": 0.09138,
    "h": 205.6
  },
  "luminance": 0.22429
}

Semantic roles & 50–950 ramp

primary

#288F9A

secondary

#BD6A61

accent

#5546E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288F9A

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

Preview Lab → · Contrast checker → · Palette generator →