#289DB0#289DB0

#289DB0 is a light, moderate teal. Relative luminance 0.277; OKLCH L 64.2% C 0.102 H 211.2°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#289DB0
RGBrgb(40, 157, 176)
HSLhsl(188, 63%, 42%)
HSVhsv(188, 77%, 69%)
CMYKcmyk(77.3%, 10.8%, 0%, 31%)
CIE-LABlab(59.61, -24.78, -18.96)
CIE-LCHlch(59.61, 31.20, 217.41°)
OKLaboklab(64.21% -0.0871 -0.0528)
OKLCHoklch(64.21% 0.102 211.2)
XYZxyz(20.7651, 27.6971, 45.3175)
Luminance0.2770 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289DB0 #B03B28
analogous
#28B07F #289DB0 #2859B0
triadic
#289DB0 #B0289D #9DB028
tetradic
#289DB0 #7F28B0 #B03B28 #59B028
square
#289DB0 #7F28B0 #B03B28 #59B028
split-complementary
#289DB0 #B02859 #B07F28
monochromatic
#11444C #1D717E #289DB0 #41BFD4 #73D0DF

Accessibility & contrast

On white

3.21
#289DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.54
#289DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289DB0
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289DB0#FFFFFF#000000##000000
##289DB01.003.216.546.54
#FFFFFF3.211.0021.0021.00
#0000006.5421.001.001.00
##0000006.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E97B1
Deuteranopia (green-blind)
#7B8AB0
Tritanopia (blue-blind)
#00A5A3
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #289db0;
/* rgb */ color: rgb(40, 157, 176);
/* oklch */ color: oklch(64.2% 0.102 211.2);
Tailwind
colors: {
  custom: {
    50: '#79bac7',
    500: '#289db0',
    950: '#000000',
  },
}
SCSS
$custom: #289db0;
$custom-light: #79bac7;
$custom-dark: #000000;
JSON
{
  "hex": "#289db0",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 176
  },
  "hsl": {
    "h": 188.382,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.64213,
    "c": 0.10191,
    "h": 211.2
  },
  "luminance": 0.277
}

Semantic roles & 50–950 ramp

primary
#289DB0
secondary
#C67A6D
accent
#5942E6
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #289DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#289DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva