#289DA4#289DA4

#289DA4 is a light, moderate teal. Relative luminance 0.272; OKLCH L 63.7% C 0.099 H 201.1°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#289DA4
RGBrgb(40, 157, 164)
HSLhsl(183, 61%, 40%)
HSVhsv(183, 76%, 64%)
CMYKcmyk(75.6%, 4.3%, 0%, 35.7%)
CIE-LABlab(59.20, -28.58, -12.79)
CIE-LCHlch(59.20, 31.31, 204.11°)
OKLaboklab(63.74% -0.0923 -0.0355)
OKLCHoklch(63.74% 0.099 201.1)
XYZxyz(19.6299, 27.2430, 39.3386)
Luminance0.2725 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289DA4 #A42F28
analogous
#28A46D #289DA4 #285FA4
triadic
#289DA4 #A4289D #9DA428
tetradic
#289DA4 #6D28A4 #A42F28 #5FA428
square
#289DA4 #6D28A4 #A42F28 #5FA428
split-complementary
#289DA4 #A4285F #A46D28
monochromatic
#103F42 #1C6E73 #289DA4 #3AC7CF #6BD5DB

Accessibility & contrast

On white

3.26
#289DA4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.45
#289DA4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DA4
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289DA4#FFFFFF#000000##000000
##289DA41.003.266.456.45
#FFFFFF3.261.0021.0021.00
#0000006.4521.001.001.00
##0000006.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9196A5
Deuteranopia (green-blind)
#7F89A5
Tritanopia (blue-blind)
#00A39F
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #289da4;
/* rgb */ color: rgb(40, 157, 164);
/* oklch */ color: oklch(63.7% 0.099 201.1);
Tailwind
colors: {
  custom: {
    50: '#77babf',
    500: '#289da4',
    950: '#000000',
  },
}
SCSS
$custom: #289da4;
$custom-light: #77babf;
$custom-dark: #000000;
JSON
{
  "hex": "#289da4",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 164
  },
  "hsl": {
    "h": 183.387,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.63739,
    "c": 0.09891,
    "h": 201.1
  },
  "luminance": 0.27245
}

Semantic roles & 50–950 ramp

primary
#289DA4
secondary
#C16B66
accent
#4D44E4
background
#F7FBFB
surface
#EEF6F6
border
#C9D0D0
text
#0A1112
muted
#7C8081

Preview Lab

Preview with #289DA4

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

Preview Lab → · Contrast checker → · Palette generator →

#289DA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva