#289CB0#289CB0

#289CB0 is a light, moderate teal. Relative luminance 0.274; OKLCH L 64.0% C 0.102 H 212.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#289CB0
RGBrgb(40, 156, 176)
HSLhsl(189, 63%, 42%)
HSVhsv(189, 77%, 69%)
CMYKcmyk(77.3%, 11.4%, 0%, 31%)
CIE-LABlab(59.31, -24.27, -19.42)
CIE-LCHlch(59.31, 31.09, 218.67°)
OKLaboklab(63.97% -0.0862 -0.0541)
OKLCHoklch(63.97% 0.102 212.1)
XYZxyz(20.5966, 27.3601, 45.2614)
Luminance0.2736 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289CB0 #B03C28
analogous
#28B080 #289CB0 #2858B0
triadic
#289CB0 #B0289C #9CB028
tetradic
#289CB0 #8028B0 #B03C28 #58B028
square
#289CB0 #8028B0 #B03C28 #58B028
split-complementary
#289CB0 #B02858 #B08028
monochromatic
#11444C #1D707E #289CB0 #41BED4 #73CFDF

Accessibility & contrast

On white

3.24
#289CB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#289CB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CB0
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289CB0#FFFFFF#000000##000000
##289CB01.003.246.476.47
#FFFFFF3.241.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C96B1
Deuteranopia (green-blind)
#7A89B0
Tritanopia (blue-blind)
#00A4A2
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #289cb0;
/* rgb */ color: rgb(40, 156, 176);
/* oklch */ color: oklch(64.0% 0.102 212.1);
Tailwind
colors: {
  custom: {
    50: '#79b9c7',
    500: '#289cb0',
    950: '#000000',
  },
}
SCSS
$custom: #289cb0;
$custom-light: #79b9c7;
$custom-dark: #000000;
JSON
{
  "hex": "#289cb0",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 176
  },
  "hsl": {
    "h": 188.824,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63965,
    "c": 0.10176,
    "h": 212.1
  },
  "luminance": 0.27363
}

Semantic roles & 50–950 ramp

primary
#289CB0
secondary
#C67A6D
accent
#5A42E6
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #289CB0

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

Preview Lab → · Contrast checker → · Palette generator →

#289CB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva