#289EB0#289EB0

#289EB0 is a light, moderate teal. Relative luminance 0.280; OKLCH L 64.5% C 0.102 H 210.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#289EB0
RGBrgb(40, 158, 176)
HSLhsl(188, 63%, 42%)
HSVhsv(188, 77%, 69%)
CMYKcmyk(77.3%, 10.2%, 0%, 31%)
CIE-LABlab(59.92, -25.29, -18.49)
CIE-LCHlch(59.92, 31.33, 216.17°)
OKLaboklab(64.46% -0.0881 -0.0515)
OKLCHoklch(64.46% 0.102 210.3)
XYZxyz(20.9350, 28.0369, 45.3742)
Luminance0.2804 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289EB0 #B03A28
analogous
#28B07E #289EB0 #285AB0
triadic
#289EB0 #B0289E #9EB028
tetradic
#289EB0 #7E28B0 #B03A28 #5AB028
square
#289EB0 #7E28B0 #B03A28 #5AB028
split-complementary
#289EB0 #B0285A #B07E28
monochromatic
#11444C #1D717E #289EB0 #41C0D4 #73D1DF

Accessibility & contrast

On white

3.18
#289EB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.61
#289EB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EB0
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289EB0#FFFFFF#000000##000000
##289EB01.003.186.616.61
#FFFFFF3.181.0021.0021.00
#0000006.6121.001.001.00
##0000006.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F98B1
Deuteranopia (green-blind)
#7C8BB0
Tritanopia (blue-blind)
#00A6A3
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #289eb0;
/* rgb */ color: rgb(40, 158, 176);
/* oklch */ color: oklch(64.5% 0.102 210.3);
Tailwind
colors: {
  custom: {
    50: '#79bbc7',
    500: '#289eb0',
    950: '#000000',
  },
}
SCSS
$custom: #289eb0;
$custom-light: #79bbc7;
$custom-dark: #000000;
JSON
{
  "hex": "#289eb0",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 176
  },
  "hsl": {
    "h": 187.941,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.64462,
    "c": 0.10208,
    "h": 210.3
  },
  "luminance": 0.28039
}

Semantic roles & 50–950 ramp

primary
#289EB0
secondary
#C6796D
accent
#5842E6
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #289EB0

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

Preview Lab → · Contrast checker → · Palette generator →

#289EB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva