#288B8B#288B8B

#288B8B is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.088 H 195.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#288B8B
RGB	rgb(40, 139, 139)
HSL	hsl(180, 55%, 35%)
HSV	hsv(180, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 0%, 45.5%)
CIE-LAB	lab(52.71, -27.36, -8.20)
CIE-LCH	lch(52.71, 28.56, 196.68°)
OKLab	oklab(58.21% -0.085 -0.0228)
OKLCH	oklch(58.21% 0.088 195)
XYZ	xyz(14.7658, 20.7787, 27.6536)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B8B #8B2828

analogous

#288B59 #288B8B #28598B

triadic

#288B8B #8B288B #8B8B28

tetradic

#288B8B #59288B #8B2828 #598B28

square

#288B8B #59288B #8B2828 #598B28

split-complementary

#288B8B #8B2859 #8B5928

monochromatic

#0D2C2C #1A5B5B #288B8B #36BBBB #5DD0D0

Accessibility & contrast

On white

4.07

#288B8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#288B8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B8B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B8B	#FFFFFF	#000000	##000000
##288B8B	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)

#82848B

Deuteranopia (green-blind)

#73798C

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288b8b;
/* rgb */ color: rgb(40, 139, 139);
/* oklch */ color: oklch(58.2% 0.088 195.0);

Tailwind

colors: {
  custom: {
    50: '#72adac',
    500: '#288b8b',
    950: '#000000',
  },
}

SCSS

$custom: #288b8b;
$custom-light: #72adac;
$custom-dark: #000000;

JSON

{
  "hex": "#288b8b",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 139
  },
  "hsl": {
    "h": 180,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58205,
    "c": 0.08798,
    "h": 195
  },
  "luminance": 0.2078
}

Semantic roles & 50–950 ramp

primary

#288B8B

secondary

#B65959

accent

#4949DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288B8B

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

Preview Lab → · Contrast checker → · Palette generator →