#288B66#288B66

#288B66 is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.0% C 0.107 H 163.8°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#288B66
RGB	rgb(40, 139, 102)
HSL	hsl(158, 55%, 35%)
HSV	hsv(158, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 26.6%, 45.5%)
CIE-LAB	lab(51.69, -37.49, 11.74)
CIE-LCH	lch(51.69, 39.28, 162.61°)
OKLab	oklab(57.04% -0.103 0.03)
OKLCH	oklch(57.04% 0.107 163.8)
XYZ	xyz(12.5046, 19.8743, 15.7449)
Luminance	0.1988 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B66 #8B284D

analogous

#288B35 #288B66 #287E8B

triadic

#288B66 #66288B #8B6628

tetradic

#288B66 #35288B #8B284D #7E8B28

square

#288B66 #35288B #8B284D #7E8B28

split-complementary

#288B66 #8B287E #8B3528

monochromatic

#0D2C20 #1A5B43 #288B66 #36BB89 #5DD0A5

Accessibility & contrast

On white

4.22

#288B66 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#288B66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B66

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B66	#FFFFFF	#000000	##000000
##288B66	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#888164

Deuteranopia (green-blind)

#7B7768

Tritanopia (blue-blind)

#008B81

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b66;
/* rgb */ color: rgb(40, 139, 102);
/* oklch */ color: oklch(57.0% 0.107 163.8);

Tailwind

colors: {
  custom: {
    50: '#70ad91',
    500: '#288b66',
    950: '#000000',
  },
}

SCSS

$custom: #288b66;
$custom-light: #70ad91;
$custom-dark: #000000;

JSON

{
  "hex": "#288b66",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 102
  },
  "hsl": {
    "h": 157.576,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57044,
    "c": 0.1073,
    "h": 163.8
  },
  "luminance": 0.19876
}

Semantic roles & 50–950 ramp

primary

#288B66

secondary

#B6597C

accent

#4981DF

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100C

muted

#7B7F7D

Preview Lab

Preview with #288B66

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

Preview Lab → · Contrast checker → · Palette generator →