#289EA5#289EA5

#289EA5 is a light, moderate teal. Relative luminance 0.276; OKLCH L 64.0% C 0.099 H 201.0°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX#289EA5
RGBrgb(40, 158, 165)
HSLhsl(183, 61%, 40%)
HSVhsv(183, 76%, 65%)
CMYKcmyk(75.8%, 4.2%, 0%, 35.3%)
CIE-LABlab(59.54, -28.77, -12.84)
CIE-LCHlch(59.54, 31.50, 204.06°)
OKLaboklab(64.03% -0.0929 -0.0357)
OKLCHoklch(64.03% 0.099 201)
XYZxyz(19.8904, 27.6190, 39.8727)
Luminance0.2762 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289EA5 #A52F28
analogous
#28A56D #289EA5 #285FA5
triadic
#289EA5 #A5289E #9EA528
tetradic
#289EA5 #6D28A5 #A52F28 #5FA528
square
#289EA5 #6D28A5 #A52F28 #5FA528
split-complementary
#289EA5 #A5285F #A56D28
monochromatic
#104042 #1C6F74 #289EA5 #3BC7CF #6CD5DB

Accessibility & contrast

On white

3.22
#289EA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.52
#289EA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EA5
6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289EA5#FFFFFF#000000##000000
##289EA51.003.226.526.52
#FFFFFF3.221.0021.0021.00
#0000006.5221.001.001.00
##0000006.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9297A6
Deuteranopia (green-blind)
#808AA6
Tritanopia (blue-blind)
#00A4A0
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #289ea5;
/* rgb */ color: rgb(40, 158, 165);
/* oklch */ color: oklch(64.0% 0.099 201.0);
Tailwind
colors: {
  custom: {
    50: '#77bbbf',
    500: '#289ea5',
    950: '#000000',
  },
}
SCSS
$custom: #289ea5;
$custom-light: #77bbbf;
$custom-dark: #000000;
JSON
{
  "hex": "#289ea5",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 165
  },
  "hsl": {
    "h": 183.36,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.64029,
    "c": 0.09948,
    "h": 201
  },
  "luminance": 0.27621
}

Semantic roles & 50–950 ramp

primary
#289EA5
secondary
#C26C67
accent
#4D44E4
background
#F7FBFB
surface
#EEF6F7
border
#C9D0D0
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #289EA5

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

Preview Lab → · Contrast checker → · Palette generator →

#289EA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva