#289FBD#289FBD

#289FBD is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.3% C 0.108 H 219.4°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#289FBD
RGBrgb(40, 159, 189)
HSLhsl(192, 65%, 45%)
HSVhsv(192, 79%, 74%)
CMYKcmyk(78.8%, 15.9%, 0%, 25.9%)
CIE-LABlab(60.71, -21.55, -24.60)
CIE-LCHlch(60.71, 32.71, 228.79°)
OKLaboklab(65.26% -0.0838 -0.0688)
OKLCHoklch(65.26% 0.108 219.4)
XYZxyz(22.4546, 28.9187, 52.5327)
Luminance0.2892 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289FBD #BD4628
analogous
#28BD91 #289FBD #2854BD
triadic
#289FBD #BD289F #9FBD28
tetradic
#289FBD #9128BD #BD4628 #54BD28
square
#289FBD #9128BD #BD4628 #54BD28
split-complementary
#289FBD #BD2854 #BD9128
monochromatic
#134A58 #1D758A #289FBD #4ABCD9 #7CCFE3

Accessibility & contrast

On white

3.10
#289FBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#289FBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FBD
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289FBD#FFFFFF#000000##000000
##289FBD1.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C9BBF
Deuteranopia (green-blind)
#798CBD
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #289fbd;
/* rgb */ color: rgb(40, 159, 189);
/* oklch */ color: oklch(65.3% 0.108 219.4);
Tailwind
colors: {
  custom: {
    50: '#7bbbd1',
    500: '#289fbd',
    950: '#000000',
  },
}
SCSS
$custom: #289fbd;
$custom-light: #7bbbd1;
$custom-dark: #000000;
JSON
{
  "hex": "#289fbd",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 189
  },
  "hsl": {
    "h": 192.081,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.65256,
    "c": 0.10847,
    "h": 219.4
  },
  "luminance": 0.28922
}

Semantic roles & 50–950 ramp

primary
#289FBD
secondary
#CB8775
accent
#6240E8
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #289FBD

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

Preview Lab → · Contrast checker → · Palette generator →

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