#289CA6#289CA6

#289CA6 is a light, moderate teal. Relative luminance 0.270; OKLCH L 63.6% C 0.099 H 203.7°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#289CA6
RGBrgb(40, 156, 166)
HSLhsl(185, 61%, 40%)
HSVhsv(185, 76%, 65%)
CMYKcmyk(75.9%, 6%, 0%, 34.9%)
CIE-LABlab(58.95, -27.46, -14.29)
CIE-LCHlch(58.95, 30.96, 207.50°)
OKLaboklab(63.56% -0.0904 -0.0397)
OKLCHoklch(63.56% 0.099 203.7)
XYZxyz(19.6434, 26.9788, 40.2411)
Luminance0.2698 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289CA6 #A63228
analogous
#28A671 #289CA6 #285DA6
triadic
#289CA6 #A6289C #9CA628
tetradic
#289CA6 #7128A6 #A63228 #5DA628
square
#289CA6 #7128A6 #A63228 #5DA628
split-complementary
#289CA6 #A6285D #A67128
monochromatic
#103F43 #1C6E75 #289CA6 #3BC4D0 #6DD3DC

Accessibility & contrast

On white

3.28
#289CA6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#289CA6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289CA6
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289CA6#FFFFFF#000000##000000
##289CA61.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F95A7
Deuteranopia (green-blind)
#7E88A6
Tritanopia (blue-blind)
#00A39F
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #289ca6;
/* rgb */ color: rgb(40, 156, 166);
/* oklch */ color: oklch(63.6% 0.099 203.7);
Tailwind
colors: {
  custom: {
    50: '#77b9c0',
    500: '#289ca6',
    950: '#000000',
  },
}
SCSS
$custom: #289ca6;
$custom-light: #77b9c0;
$custom-dark: #000000;
JSON
{
  "hex": "#289ca6",
  "rgb": {
    "r": 40,
    "g": 156,
    "b": 166
  },
  "hsl": {
    "h": 184.762,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63564,
    "c": 0.09876,
    "h": 203.7
  },
  "luminance": 0.26981
}

Semantic roles & 50–950 ramp

primary
#289CA6
secondary
#C26F67
accent
#5044E4
background
#F7FBFB
surface
#EEF6F7
border
#C9D0D0
text
#0A1112
muted
#7C8081

Preview Lab

Preview with #289CA6

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

Preview Lab → · Contrast checker → · Palette generator →

#289CA6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva