#288B68#288B68

#288B68 is a mid, moderate teal. Relative luminance 0.199; OKLCH L 57.1% C 0.106 H 165.1°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#288B68
RGBrgb(40, 139, 104)
HSLhsl(159, 55%, 35%)
HSVhsv(159, 71%, 55%)
CMYKcmyk(71.2%, 0%, 25.2%, 45.5%)
CIE-LABlab(51.74, -37.00, 10.66)
CIE-LCHlch(51.74, 38.51, 163.94°)
OKLaboklab(57.1% -0.102 0.0272)
OKLCHoklch(57.1% 0.106 165.1)
XYZxyz(12.6050, 19.9144, 16.2736)
Luminance0.1992 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B68 #8B284B
analogous
#288B37 #288B68 #287C8B
triadic
#288B68 #68288B #8B6828
tetradic
#288B68 #37288B #8B284B #7C8B28
square
#288B68 #37288B #8B284B #7C8B28
split-complementary
#288B68 #8B287C #8B3728
monochromatic
#0D2C21 #1A5B44 #288B68 #36BB8C #5DD0A8

Accessibility & contrast

On white

4.21
#288B68 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#288B68 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B68
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B68#FFFFFF#000000##000000
##288B681.004.214.984.98
#FFFFFF4.211.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#888166
Deuteranopia (green-blind)
#7B776A
Tritanopia (blue-blind)
#008B81
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #288b68;
/* rgb */ color: rgb(40, 139, 104);
/* oklch */ color: oklch(57.1% 0.106 165.1);
Tailwind
colors: {
  custom: {
    50: '#70ad93',
    500: '#288b68',
    950: '#000000',
  },
}
SCSS
$custom: #288b68;
$custom-light: #70ad93;
$custom-dark: #000000;
JSON
{
  "hex": "#288b68",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 104
  },
  "hsl": {
    "h": 158.788,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57097,
    "c": 0.10559,
    "h": 165.1
  },
  "luminance": 0.19916
}

Semantic roles & 50–950 ramp

primary
#288B68
secondary
#B6597A
accent
#497EDF
background
#F7FAF9
surface
#EDF4F1
border
#C8CECB
text
#08100D
muted
#7B7F7E

Preview Lab

Preview with #288B68

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

Preview Lab → · Contrast checker → · Palette generator →

#288B68 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva