#289FC9#289FC9

#289FC9 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.8% C 0.117 H 227.3°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#289FC9
RGBrgb(40, 159, 201)
HSLhsl(196, 67%, 47%)
HSVhsv(196, 80%, 79%)
CMYKcmyk(80.1%, 20.9%, 0%, 21.2%)
CIE-LABlab(61.19, -17.50, -30.59)
CIE-LCHlch(61.19, 35.25, 240.23°)
OKLaboklab(65.8% -0.0793 -0.086)
OKLCHoklch(65.8% 0.117 227.3)
XYZxyz(23.8115, 29.4615, 59.6787)
Luminance0.2946 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#289FC9 #C95228
analogous
#28C9A2 #289FC9 #284FC9
triadic
#289FC9 #C9289F #9FC928
tetradic
#289FC9 #A228C9 #C95228 #4FC928
square
#289FC9 #A228C9 #C95228 #4FC928
split-complementary
#289FC9 #C9284F #C9A228
monochromatic
#144E63 #1E7796 #289FC9 #52B8DD #85CDE7

Accessibility & contrast

On white

3.05
#289FC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#289FC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289FC9
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##289FC9#FFFFFF#000000##000000
##289FC91.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#899CCB
Deuteranopia (green-blind)
#738DC8
Tritanopia (blue-blind)
#00ABAD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #289fc9;
/* rgb */ color: rgb(40, 159, 201);
/* oklch */ color: oklch(65.8% 0.117 227.3);
Tailwind
colors: {
  custom: {
    50: '#7cbbd9',
    500: '#289fc9',
    950: '#000000',
  },
}
SCSS
$custom: #289fc9;
$custom-light: #7cbbd9;
$custom-dark: #000000;
JSON
{
  "hex": "#289fc9",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 201
  },
  "hsl": {
    "h": 195.652,
    "s": 66.805,
    "l": 47.255
  },
  "oklch": {
    "l": 0.65796,
    "c": 0.11695,
    "h": 227.3
  },
  "luminance": 0.29464
}

Semantic roles & 50–950 ramp

primary
#289FC9
secondary
#D0937D
accent
#6B3EEA
background
#F8FBFD
surface
#EFF6FA
border
#CAD0D3
text
#0B1114
muted
#7C8083

Preview Lab

Preview with #289FC9

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

Preview Lab → · Contrast checker → · Palette generator →

#289FC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva