#288B81#288B81

#288B81 is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.9% C 0.090 H 185.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#288B81
RGB	rgb(40, 139, 129)
HSL	hsl(174, 55%, 35%)
HSV	hsv(174, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 7.2%, 45.5%)
CIE-LAB	lab(52.40, -30.33, -2.85)
CIE-LCH	lch(52.40, 30.46, 185.37°)
OKLab	oklab(57.85% -0.0897 -0.0082)
OKLCH	oklch(57.85% 0.09 185.2)
XYZ	xyz(14.0683, 20.4997, 23.9800)
Luminance	0.2050 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B81 #8B2832

analogous

#288B4F #288B81 #28648B

triadic

#288B81 #81288B #8B8128

tetradic

#288B81 #4F288B #8B2832 #648B28

square

#288B81 #4F288B #8B2832 #648B28

split-complementary

#288B81 #8B2864 #8B4F28

monochromatic

#0D2C29 #1A5B55 #288B81 #36BBAD #5DD0C5

Accessibility & contrast

On white

4.12

#288B81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#288B81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B81

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B81	#FFFFFF	#000000	##000000
##288B81	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848381

Deuteranopia (green-blind)

#767982

Tritanopia (blue-blind)

#008E88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b81;
/* rgb */ color: rgb(40, 139, 129);
/* oklch */ color: oklch(57.9% 0.090 185.2);

Tailwind

colors: {
  custom: {
    50: '#71ada5',
    500: '#288b81',
    950: '#000000',
  },
}

SCSS

$custom: #288b81;
$custom-light: #71ada5;
$custom-dark: #000000;

JSON

{
  "hex": "#288b81",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 129
  },
  "hsl": {
    "h": 173.939,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57851,
    "c": 0.09006,
    "h": 185.2
  },
  "luminance": 0.20501
}

Semantic roles & 50–950 ramp

primary

#288B81

secondary

#B65962

accent

#4958DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288B81

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

Preview Lab → · Contrast checker → · Palette generator →