#288F9E#288F9E

#288F9E is a mid, moderate teal. Relative luminance 0.226; OKLCH L 60.0% C 0.093 H 209.3°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#288F9E
RGB	rgb(40, 143, 158)
HSL	hsl(188, 60%, 39%)
HSV	hsv(188, 75%, 62%)
CMYK	cmyk(74.7%, 9.5%, 0%, 38%)
CIE-LAB	lab(54.62, -23.42, -16.29)
CIE-LCH	lch(54.62, 28.53, 214.83°)
OKLab	oklab(59.97% -0.0807 -0.0453)
OKLCH	oklch(59.97% 0.093 209.3)
XYZ	xyz(16.8664, 22.5626, 35.8072)
Luminance	0.2256 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F9E #9E3728

analogous

#289E72 #288F9E #28549E

triadic

#288F9E #9E288F #8F9E28

tetradic

#288F9E #72289E #9E3728 #549E28

square

#288F9E #72289E #9E3728 #549E28

split-complementary

#288F9E #9E2854 #9E7228

monochromatic

#0F373C #1C636D #288F9E #37B9CC #68CAD9

Accessibility & contrast

On white

3.81

#288F9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#288F9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F9E

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F9E	#FFFFFF	#000000	##000000
##288F9E	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828A9F

Deuteranopia (green-blind)

#717E9E

Tritanopia (blue-blind)

#009693

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288f9e;
/* rgb */ color: rgb(40, 143, 158);
/* oklch */ color: oklch(60.0% 0.093 209.3);

Tailwind

colors: {
  custom: {
    50: '#75b0ba',
    500: '#288f9e',
    950: '#000000',
  },
}

SCSS

$custom: #288f9e;
$custom-light: #75b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#288f9e",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 158
  },
  "hsl": {
    "h": 187.627,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59967,
    "c": 0.09254,
    "h": 209.3
  },
  "luminance": 0.22565
}

Semantic roles & 50–950 ramp

primary

#288F9E

secondary

#BF6F63

accent

#5945E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #288F9E

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

Preview Lab → · Contrast checker → · Palette generator →