#288999#288999

#288999 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.2% C 0.089 H 211.0°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#288999
RGB	rgb(40, 137, 153)
HSL	hsl(188, 59%, 38%)
HSV	hsv(188, 74%, 60%)
CMYK	cmyk(73.9%, 10.5%, 0%, 40%)
CIE-LAB	lab(52.55, -21.92, -16.54)
CIE-LCH	lch(52.55, 27.46, 217.04°)
OKLab	oklab(58.24% -0.0766 -0.046)
OKLCH	oklch(58.24% 0.089 211)
XYZ	xyz(15.5680, 20.6405, 33.2943)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288999 #993828

analogous

#289971 #288999 #285099

triadic

#288999 #992889 #899928

tetradic

#288999 #712899 #993828 #509928

square

#288999 #712899 #993828 #509928

split-complementary

#288999 #992850 #997128

monochromatic

#0F3238 #1B5E68 #288999 #35B4CA #65C7D7

Accessibility & contrast

On white

4.09

#288999 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#288999 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288999

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288999	#FFFFFF	#000000	##000000
##288999	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C849A

Deuteranopia (green-blind)

#6C7899

Tritanopia (blue-blind)

#00908E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288999;
/* rgb */ color: rgb(40, 137, 153);
/* oklch */ color: oklch(58.2% 0.089 211.0);

Tailwind

colors: {
  custom: {
    50: '#74abb7',
    500: '#288999',
    950: '#000000',
  },
}

SCSS

$custom: #288999;
$custom-light: #74abb7;
$custom-dark: #000000;

JSON

{
  "hex": "#288999",
  "rgb": {
    "r": 40,
    "g": 137,
    "b": 153
  },
  "hsl": {
    "h": 188.496,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.58241,
    "c": 0.08941,
    "h": 211
  },
  "luminance": 0.20642
}

Semantic roles & 50–950 ramp

primary

#288999

secondary

#BD6D60

accent

#5C46E2

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #288999

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

Preview Lab → · Contrast checker → · Palette generator →