#289EB6#289EB6

#289EB6 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.7% C 0.105 H 215.1°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#289EB6
RGBrgb(40, 158, 182)
HSLhsl(190, 64%, 44%)
HSVhsv(190, 78%, 71%)
CMYKcmyk(78%, 13.2%, 0%, 28.6%)
CIE-LABlab(60.14, -23.34, -21.54)
CIE-LCHlch(60.14, 31.76, 222.70°)
OKLaboklab(64.71% -0.0857 -0.0601)
OKLCHoklch(64.71% 0.105 215.1)
XYZxyz(21.5418, 28.2796, 48.5701)
Luminance0.2828 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289EB6 #B64028
analogous
#28B687 #289EB6 #2857B6
triadic
#289EB6 #B6289E #9EB628
tetradic
#289EB6 #8728B6 #B64028 #57B628
square
#289EB6 #8728B6 #B64028 #57B628
split-complementary
#289EB6 #B62857 #B68728
monochromatic
#124752 #1D7284 #289EB6 #45BED6 #77CFE1

Accessibility & contrast

On white

3.15
#289EB6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#289EB6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289EB6
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289EB6#FFFFFF#000000##000000
##289EB61.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D99B7
Deuteranopia (green-blind)
#7A8BB6
Tritanopia (blue-blind)
#00A7A5
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #289eb6;
/* rgb */ color: rgb(40, 158, 182);
/* oklch */ color: oklch(64.7% 0.105 215.1);
Tailwind
colors: {
  custom: {
    50: '#7abbcc',
    500: '#289eb6',
    950: '#000000',
  },
}
SCSS
$custom: #289eb6;
$custom-light: #7abbcc;
$custom-dark: #000000;
JSON
{
  "hex": "#289eb6",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 182
  },
  "hsl": {
    "h": 190.141,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.6471,
    "c": 0.10465,
    "h": 215.1
  },
  "luminance": 0.28282
}

Semantic roles & 50–950 ramp

primary
#289EB6
secondary
#C98071
accent
#5D41E7
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #289EB6

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

Preview Lab → · Contrast checker → · Palette generator →

#289EB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva