#288F91#288F91

#288F91 is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.090 H 196.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#288F91
RGB	rgb(40, 143, 145)
HSL	hsl(181, 57%, 36%)
HSV	hsv(181, 72%, 57%)
CMYK	cmyk(72.4%, 1.4%, 0%, 43.1%)
CIE-LAB	lab(54.17, -27.52, -9.47)
CIE-LCH	lch(54.17, 29.10, 199.00°)
OKLab	oklab(59.46% -0.0864 -0.0263)
OKLCH	oklch(59.46% 0.09 196.9)
XYZ	xyz(15.8061, 22.1385, 30.2227)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F91 #912A28

analogous

#28915F #288F91 #285B91

triadic

#288F91 #91288F #8F9128

tetradic

#288F91 #5F2891 #912A28 #5B9128

square

#288F91 #5F2891 #912A28 #5B9128

split-complementary

#288F91 #91285B #915F28

monochromatic

#0E3031 #1B6061 #288F91 #35BEC1 #60D1D3

Accessibility & contrast

On white

3.87

#288F91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#288F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F91

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F91	#FFFFFF	#000000	##000000
##288F91	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)

#858891

Deuteranopia (green-blind)

#767D92

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288f91;
/* rgb */ color: rgb(40, 143, 145);
/* oklch */ color: oklch(59.5% 0.090 196.9);

Tailwind

colors: {
  custom: {
    50: '#73b0b1',
    500: '#288f91',
    950: '#000000',
  },
}

SCSS

$custom: #288f91;
$custom-light: #73b0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#288f91",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 145
  },
  "hsl": {
    "h": 181.143,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.59459,
    "c": 0.09036,
    "h": 196.9
  },
  "luminance": 0.2214
}

Semantic roles & 50–950 ramp

primary

#288F91

secondary

#B95E5C

accent

#4B48E0

background

#F7FAFA

surface

#EEF5F5

border

#C9CFCF

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288F91

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

Preview Lab → · Contrast checker → · Palette generator →