#289EA4#289EA4

#289EA4 is a light, moderate teal. Relative luminance 0.276; OKLCH L 64.0% C 0.099 H 200.2°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX#289EA4
RGBrgb(40, 158, 164)
HSLhsl(183, 61%, 40%)
HSVhsv(183, 76%, 64%)
CMYKcmyk(75.6%, 3.7%, 0%, 35.7%)
CIE-LABlab(59.51, -29.07, -12.32)
CIE-LCHlch(59.51, 31.58, 202.97°)
OKLaboklab(63.99% -0.0933 -0.0342)
OKLCHoklch(63.99% 0.099 200.2)
XYZxyz(19.7998, 27.5828, 39.3952)
Luminance0.2758 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289EA4 #A42E28
analogous
#28A46C #289EA4 #2860A4
triadic
#289EA4 #A4289E #9EA428
tetradic
#289EA4 #6C28A4 #A42E28 #60A428
square
#289EA4 #6C28A4 #A42E28 #60A428
split-complementary
#289EA4 #A42860 #A46C28
monochromatic
#103F42 #1C6F73 #289EA4 #3AC8CF #6BD6DB

Accessibility & contrast

On white

3.22
#289EA4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.52
#289EA4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EA4
6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289EA4#FFFFFF#000000##000000
##289EA41.003.226.526.52
#FFFFFF3.221.0021.0021.00
#0000006.5221.001.001.00
##0000006.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9297A5
Deuteranopia (green-blind)
#808AA5
Tritanopia (blue-blind)
#00A4A0
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #289ea4;
/* rgb */ color: rgb(40, 158, 164);
/* oklch */ color: oklch(64.0% 0.099 200.2);
Tailwind
colors: {
  custom: {
    50: '#77bbbf',
    500: '#289ea4',
    950: '#000000',
  },
}
SCSS
$custom: #289ea4;
$custom-light: #77bbbf;
$custom-dark: #000000;
JSON
{
  "hex": "#289ea4",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 164
  },
  "hsl": {
    "h": 182.903,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.63992,
    "c": 0.09939,
    "h": 200.2
  },
  "luminance": 0.27585
}

Semantic roles & 50–950 ramp

primary
#289EA4
secondary
#C16B66
accent
#4C44E4
background
#F7FBFB
surface
#EEF6F6
border
#C9D0D0
text
#0A1212
muted
#7C8181

Preview Lab

Preview with #289EA4

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

Preview Lab → · Contrast checker → · Palette generator →

#289EA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva