#288B91#288B91

#288B91 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.4% C 0.088 H 201.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#288B91
RGB	rgb(40, 139, 145)
HSL	hsl(183, 57%, 36%)
HSV	hsv(183, 72%, 57%)
CMYK	cmyk(72.4%, 4.1%, 0%, 43.1%)
CIE-LAB	lab(52.90, -25.51, -11.38)
CIE-LCH	lch(52.90, 27.93, 204.04°)
OKLab	oklab(58.43% -0.0822 -0.0316)
OKLCH	oklch(58.43% 0.088 201)
XYZ	xyz(15.2163, 20.9589, 30.0261)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B91 #912E28

analogous

#289163 #288B91 #285791

triadic

#288B91 #91288B #8B9128

tetradic

#288B91 #632891 #912E28 #579128

square

#288B91 #632891 #912E28 #579128

split-complementary

#288B91 #912857 #916328

monochromatic

#0E2F31 #1B5D61 #288B91 #35B9C1 #60CDD3

Accessibility & contrast

On white

4.04

#288B91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#288B91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B91

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B91	#FFFFFF	#000000	##000000
##288B91	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808592

Deuteranopia (green-blind)

#717A91

Tritanopia (blue-blind)

#00908D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b91;
/* rgb */ color: rgb(40, 139, 145);
/* oklch */ color: oklch(58.4% 0.088 201.0);

Tailwind

colors: {
  custom: {
    50: '#73adb1',
    500: '#288b91',
    950: '#000000',
  },
}

SCSS

$custom: #288b91;
$custom-light: #73adb1;
$custom-dark: #000000;

JSON

{
  "hex": "#288b91",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 145
  },
  "hsl": {
    "h": 183.429,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.58431,
    "c": 0.0881,
    "h": 201
  },
  "luminance": 0.20961
}

Semantic roles & 50–950 ramp

primary

#288B91

secondary

#B9615C

accent

#5048E0

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B91

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

Preview Lab → · Contrast checker → · Palette generator →