#288A7B#288A7B

#288A7B is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.4% C 0.092 H 180.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#288A7B
RGB	rgb(40, 138, 123)
HSL	hsl(171, 55%, 35%)
HSV	hsv(171, 71%, 54%)
CMYK	cmyk(71%, 0%, 10.9%, 45.9%)
CIE-LAB	lab(51.90, -31.56, -0.10)
CIE-LCH	lch(51.90, 31.56, 180.18°)
OKLab	oklab(57.39% -0.0915 -0.0008)
OKLCH	oklch(57.39% 0.092 180.5)
XYZ	xyz(13.5370, 20.0566, 21.8929)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A7B #8A2837

analogous

#288A4A #288A7B #28688A

triadic

#288A7B #7B288A #8A7B28

tetradic

#288A7B #4A288A #8A2837 #688A28

square

#288A7B #4A288A #8A2837 #688A28

split-complementary

#288A7B #8A2868 #8A4A28

monochromatic

#0C2B26 #1A5B51 #288A7B #36B9A5 #5DD0BE

Accessibility & contrast

On white

4.19

#288A7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#288A7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A7B

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A7B	#FFFFFF	#000000	##000000
##288A7B	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84827A

Deuteranopia (green-blind)

#76787C

Tritanopia (blue-blind)

#008C85

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288a7b;
/* rgb */ color: rgb(40, 138, 123);
/* oklch */ color: oklch(57.4% 0.092 180.5);

Tailwind

colors: {
  custom: {
    50: '#71ada1',
    500: '#288a7b',
    950: '#000000',
  },
}

SCSS

$custom: #288a7b;
$custom-light: #71ada1;
$custom-dark: #000000;

JSON

{
  "hex": "#288a7b",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 123
  },
  "hsl": {
    "h": 170.816,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57389,
    "c": 0.09151,
    "h": 180.5
  },
  "luminance": 0.20058
}

Semantic roles & 50–950 ramp

primary

#288A7B

secondary

#B55967

accent

#4960DE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#09100E

muted

#7B7F7E

Preview Lab

Preview with #288A7B

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

Preview Lab → · Contrast checker → · Palette generator →