#289DAB#289DAB

#289DAB is a light, moderate teal. Relative luminance 0.275; OKLCH L 64.0% C 0.100 H 207.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#289DAB
RGBrgb(40, 157, 171)
HSLhsl(186, 62%, 41%)
HSVhsv(186, 77%, 67%)
CMYKcmyk(76.6%, 8.2%, 0%, 32.9%)
CIE-LABlab(59.44, -26.39, -16.40)
CIE-LCHlch(59.44, 31.07, 211.86°)
OKLaboklab(64.01% -0.0893 -0.0456)
OKLCHoklch(64.01% 0.1 207.1)
XYZxyz(20.2795, 27.5029, 42.7599)
Luminance0.2751 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289DAB #AB3628
analogous
#28AB78 #289DAB #285CAB
triadic
#289DAB #AB289D #9DAB28
tetradic
#289DAB #7828AB #AB3628 #5CAB28
square
#289DAB #7828AB #AB3628 #5CAB28
split-complementary
#289DAB #AB285C #AB7828
monochromatic
#114248 #1C6F79 #289DAB #3EC2D2 #70D2DE

Accessibility & contrast

On white

3.23
#289DAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#289DAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DAB
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289DAB#FFFFFF#000000##000000
##289DAB1.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F97AC
Deuteranopia (green-blind)
#7D89AB
Tritanopia (blue-blind)
#00A4A1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #289dab;
/* rgb */ color: rgb(40, 157, 171);
/* oklch */ color: oklch(64.0% 0.100 207.1);
Tailwind
colors: {
  custom: {
    50: '#78bac4',
    500: '#289dab',
    950: '#000000',
  },
}
SCSS
$custom: #289dab;
$custom-light: #78bac4;
$custom-dark: #000000;
JSON
{
  "hex": "#289dab",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 171
  },
  "hsl": {
    "h": 186.412,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.64011,
    "c": 0.10024,
    "h": 207.1
  },
  "luminance": 0.27505
}

Semantic roles & 50–950 ramp

primary
#289DAB
secondary
#C4746A
accent
#5443E5
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1112
muted
#7C8081

Preview Lab

Preview with #289DAB

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

Preview Lab → · Contrast checker → · Palette generator →

#289DAB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva