#288B8C#288B8C

#288B8C is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.088 H 196.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#288B8C
RGB	rgb(40, 139, 140)
HSL	hsl(181, 56%, 35%)
HSV	hsv(181, 71%, 55%)
CMYK	cmyk(71.4%, 0.7%, 0%, 45.1%)
CIE-LAB	lab(52.74, -27.06, -8.73)
CIE-LCH	lch(52.74, 28.43, 197.88°)
OKLab	oklab(58.24% -0.0845 -0.0242)
OKLCH	oklch(58.24% 0.088 196)
XYZ	xyz(14.8392, 20.8081, 28.0401)
Luminance	0.2081 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B8C #8C2928

analogous

#288C5B #288B8C #28598C

triadic

#288B8C #8C288B #8B8C28

tetradic

#288B8C #5B288C #8C2928 #598C28

square

#288B8C #5B288C #8C2928 #598C28

split-complementary

#288B8C #8C2859 #8C5B28

monochromatic

#0D2C2D #1A5C5C #288B8C #36BABC #5ED0D1

Accessibility & contrast

On white

4.07

#288B8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#288B8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B8C

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B8C	#FFFFFF	#000000	##000000
##288B8C	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)

#81848C

Deuteranopia (green-blind)

#73798D

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b8c;
/* rgb */ color: rgb(40, 139, 140);
/* oklch */ color: oklch(58.2% 0.088 196.0);

Tailwind

colors: {
  custom: {
    50: '#72adad',
    500: '#288b8c',
    950: '#000000',
  },
}

SCSS

$custom: #288b8c;
$custom-light: #72adad;
$custom-dark: #000000;

JSON

{
  "hex": "#288b8c",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 140
  },
  "hsl": {
    "h": 180.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58241,
    "c": 0.08792,
    "h": 196
  },
  "luminance": 0.2081
}

Semantic roles & 50–950 ramp

primary

#288B8C

secondary

#B65B5A

accent

#4A49DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B8C

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

Preview Lab → · Contrast checker → · Palette generator →