#288B8A#288B8A

#288B8A is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.088 H 194.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#288B8A
RGB	rgb(40, 139, 138)
HSL	hsl(179, 55%, 35%)
HSV	hsv(179, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 0.7%, 45.5%)
CIE-LAB	lab(52.67, -27.66, -7.66)
CIE-LCH	lch(52.67, 28.71, 195.49°)
OKLab	oklab(58.17% -0.0854 -0.0213)
OKLCH	oklch(58.17% 0.088 194)
XYZ	xyz(14.6931, 20.7496, 27.2705)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B8A #8B2829

analogous

#288B59 #288B8A #285A8B

triadic

#288B8A #8A288B #8B8A28

tetradic

#288B8A #59288B #8B2829 #5A8B28

square

#288B8A #59288B #8B2829 #5A8B28

split-complementary

#288B8A #8B285A #8B5928

monochromatic

#0D2C2C #1A5B5B #288B8A #36BBB9 #5DD0CF

Accessibility & contrast

On white

4.08

#288B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#288B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B8A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B8A	#FFFFFF	#000000	##000000
##288B8A	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82848A

Deuteranopia (green-blind)

#73798B

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b8a;
/* rgb */ color: rgb(40, 139, 138);
/* oklch */ color: oklch(58.2% 0.088 194.0);

Tailwind

colors: {
  custom: {
    50: '#72adac',
    500: '#288b8a',
    950: '#000000',
  },
}

SCSS

$custom: #288b8a;
$custom-light: #72adac;
$custom-dark: #000000;

JSON

{
  "hex": "#288b8a",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 138
  },
  "hsl": {
    "h": 179.394,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58168,
    "c": 0.08806,
    "h": 194
  },
  "luminance": 0.20751
}

Semantic roles & 50–950 ramp

primary

#288B8A

secondary

#B6595A

accent

#494BDF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B8A

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

Preview Lab → · Contrast checker → · Palette generator →