#288C81#288C81

#288C81 is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.1% C 0.091 H 184.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#288C81
RGB	rgb(40, 140, 129)
HSL	hsl(173, 56%, 35%)
HSV	hsv(173, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 7.9%, 45.1%)
CIE-LAB	lab(52.72, -30.81, -2.38)
CIE-LCH	lch(52.72, 30.90, 184.41°)
OKLab	oklab(58.11% -0.0908 -0.0069)
OKLCH	oklch(58.11% 0.091 184.4)
XYZ	xyz(14.2137, 20.7906, 24.0285)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C81 #8C2833

analogous

#288C4F #288C81 #28658C

triadic

#288C81 #81288C #8C8128

tetradic

#288C81 #4F288C #8C2833 #658C28

square

#288C81 #4F288C #8C2833 #658C28

split-complementary

#288C81 #8C2865 #8C4F28

monochromatic

#0D2D29 #1A5C55 #288C81 #36BCAD #5ED1C4

Accessibility & contrast

On white

4.07

#288C81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#288C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C81

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C81	#FFFFFF	#000000	##000000
##288C81	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858481

Deuteranopia (green-blind)

#777982

Tritanopia (blue-blind)

#008F88

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288c81;
/* rgb */ color: rgb(40, 140, 129);
/* oklch */ color: oklch(58.1% 0.091 184.4);

Tailwind

colors: {
  custom: {
    50: '#71aea5',
    500: '#288c81',
    950: '#000000',
  },
}

SCSS

$custom: #288c81;
$custom-light: #71aea5;
$custom-dark: #000000;

JSON

{
  "hex": "#288c81",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 129
  },
  "hsl": {
    "h": 173.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58113,
    "c": 0.09102,
    "h": 184.4
  },
  "luminance": 0.20792
}

Semantic roles & 50–950 ramp

primary

#288C81

secondary

#B65A64

accent

#4959DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288C81

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

Preview Lab → · Contrast checker → · Palette generator →