#288E9A#288E9A

#288E9A is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.6% C 0.091 H 206.6°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#288E9A
RGB	rgb(40, 142, 154)
HSL	hsl(186, 59%, 38%)
HSV	hsv(186, 74%, 60%)
CMYK	cmyk(74%, 7.8%, 0%, 39.6%)
CIE-LAB	lab(54.16, -24.19, -14.68)
CIE-LCH	lch(54.16, 28.30, 211.25°)
OKLab	oklab(59.55% -0.0814 -0.0408)
OKLCH	oklch(59.55% 0.091 206.6)
XYZ	xyz(16.3783, 22.1283, 33.9736)
Luminance	0.2213 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E9A #9A3428

analogous

#289A6D #288E9A #28559A

triadic

#288E9A #9A288E #8E9A28

tetradic

#288E9A #6D289A #9A3428 #559A28

square

#288E9A #6D289A #9A3428 #559A28

split-complementary

#288E9A #9A2855 #9A6D28

monochromatic

#0F3439 #1B6169 #288E9A #35BBCA #65CBD7

Accessibility & contrast

On white

3.87

#288E9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#288E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E9A

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E9A	#FFFFFF	#000000	##000000
##288E9A	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82889B

Deuteranopia (green-blind)

#727C9A

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288e9a;
/* rgb */ color: rgb(40, 142, 154);
/* oklch */ color: oklch(59.6% 0.091 206.6);

Tailwind

colors: {
  custom: {
    50: '#74afb7',
    500: '#288e9a',
    950: '#000000',
  },
}

SCSS

$custom: #288e9a;
$custom-light: #74afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#288e9a",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 154
  },
  "hsl": {
    "h": 186.316,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59551,
    "c": 0.09104,
    "h": 206.6
  },
  "luminance": 0.2213
}

Semantic roles & 50–950 ramp

primary

#288E9A

secondary

#BD6A61

accent

#5646E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288E9A

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

Preview Lab → · Contrast checker → · Palette generator →