#247D9E#247D9E

#247D9E is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.3% C 0.095 H 227.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#247D9E
RGBrgb(36, 125, 158)
HSLhsl(196, 63%, 38%)
HSVhsv(196, 77%, 62%)
CMYKcmyk(77.2%, 20.9%, 0%, 38%)
CIE-LABlab(48.90, -14.22, -25.08)
CIE-LCHlch(48.90, 28.83, 240.44°)
OKLaboklab(55.34% -0.0641 -0.0704)
OKLCHoklch(55.34% 0.095 227.7)
XYZxyz(14.2302, 17.5092, 34.9708)
Luminance0.1751 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247D9E #9E4524
analogous
#249E82 #247D9E #24409E
triadic
#247D9E #9E247D #7D9E24
tetradic
#247D9E #82249E #9E4524 #409E24
square
#247D9E #82249E #9E4524 #409E24
split-complementary
#247D9E #9E2440 #9E8224
monochromatic
#0D2E3A #19566C #247D9E #2FA4D0 #61BADB

Accessibility & contrast

On white

4.66
#247D9E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.50
#247D9E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #247D9E
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247D9E#FFFFFF#000000##FFFFFF
##247D9E1.004.664.504.66
#FFFFFF4.661.0021.001.00
#0000004.5021.001.0021.00
##FFFFFF4.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C7BA0
Deuteranopia (green-blind)
#5B6F9E
Tritanopia (blue-blind)
#008688
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #247d9e;
/* rgb */ color: rgb(36, 125, 158);
/* oklch */ color: oklch(55.3% 0.095 227.7);
Tailwind
colors: {
  custom: {
    50: '#72a2ba',
    500: '#247d9e',
    950: '#000000',
  },
}
SCSS
$custom: #247d9e;
$custom-light: #72a2ba;
$custom-dark: #000000;
JSON
{
  "hex": "#247d9e",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 158
  },
  "hsl": {
    "h": 196.23,
    "s": 62.887,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55342,
    "c": 0.09523,
    "h": 227.7
  },
  "luminance": 0.17511
}

Semantic roles & 50–950 ramp

primary
#247D9E
secondary
#C0785E
accent
#6E42E6
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #247D9E

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

Preview Lab → · Contrast checker → · Palette generator →

#247D9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva