#288B7B#288B7B

#288B7B is a mid, moderate teal. Relative luminance 0.203; OKLCH L 57.7% C 0.093 H 179.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#288B7B
RGB	rgb(40, 139, 123)
HSL	hsl(170, 55%, 35%)
HSV	hsv(170, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 11.5%, 45.5%)
CIE-LAB	lab(52.22, -32.03, 0.37)
CIE-LCH	lch(52.22, 32.04, 179.33°)
OKLab	oklab(57.65% -0.0926 0.0005)
OKLCH	oklch(57.65% 0.093 179.7)
XYZ	xyz(13.6811, 20.3448, 21.9410)
Luminance	0.2035 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B7B #8B2838

analogous

#288B49 #288B7B #28698B

triadic

#288B7B #7B288B #8B7B28

tetradic

#288B7B #49288B #8B2838 #698B28

square

#288B7B #49288B #8B2838 #698B28

split-complementary

#288B7B #8B2869 #8B4928

monochromatic

#0D2C27 #1A5B51 #288B7B #36BBA5 #5DD0BE

Accessibility & contrast

On white

4.14

#288B7B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#288B7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B7B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B7B	#FFFFFF	#000000	##000000
##288B7B	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85827A

Deuteranopia (green-blind)

#77787C

Tritanopia (blue-blind)

#008D86

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b7b;
/* rgb */ color: rgb(40, 139, 123);
/* oklch */ color: oklch(57.7% 0.093 179.7);

Tailwind

colors: {
  custom: {
    50: '#71ada1',
    500: '#288b7b',
    950: '#000000',
  },
}

SCSS

$custom: #288b7b;
$custom-light: #71ada1;
$custom-dark: #000000;

JSON

{
  "hex": "#288b7b",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 123
  },
  "hsl": {
    "h": 170.303,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57653,
    "c": 0.09259,
    "h": 179.7
  },
  "luminance": 0.20346
}

Semantic roles & 50–950 ramp

primary

#288B7B

secondary

#B65968

accent

#4961DF

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#09100E

muted

#7B7F7E

Preview Lab

Preview with #288B7B

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

Preview Lab → · Contrast checker → · Palette generator →