#247DD9#247DD9

#247DD9 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.162 H 253.3°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#247DD9
RGBrgb(36, 125, 217)
HSLhsl(210, 72%, 50%)
HSVhsv(210, 83%, 85%)
CMYKcmyk(83.4%, 42.4%, 0%, 14.9%)
CIE-LABlab(51.89, 7.60, -54.25)
CIE-LCHlch(51.89, 54.78, 277.98°)
OKLaboklab(58.69% -0.0467 -0.1555)
OKLCHoklch(58.69% 0.162 253.3)
XYZxyz(20.5808, 20.0495, 68.4174)
Luminance0.2005 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247DD9 #D98024
analogous
#24D8D9 #247DD9 #2524D9
triadic
#247DD9 #D9247D #7DD924
tetradic
#247DD9 #D924D8 #D98024 #24D925
square
#247DD9 #D924D8 #D98024 #24D925
split-complementary
#247DD9 #D92524 #D8D924
monochromatic
#134170 #1B5FA5 #247DD9 #579CE3 #8CBBEC

Accessibility & contrast

On white

4.19
#247DD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#247DD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247DD9
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247DD9#FFFFFF#000000##000000
##247DD91.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E84DD
Deuteranopia (green-blind)
#2C74D7
Tritanopia (blue-blind)
#0093A0
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #247dd9;
/* rgb */ color: rgb(36, 125, 217);
/* oklch */ color: oklch(58.7% 0.162 253.3);
Tailwind
colors: {
  custom: {
    50: '#7da2e5',
    500: '#247dd9',
    950: '#000000',
  },
}
SCSS
$custom: #247dd9;
$custom-light: #7da2e5;
$custom-dark: #000000;
JSON
{
  "hex": "#247dd9",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 217
  },
  "hsl": {
    "h": 210.497,
    "s": 71.542,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58686,
    "c": 0.16233,
    "h": 253.3
  },
  "luminance": 0.20052
}

Semantic roles & 50–950 ramp

primary
#247DD9
secondary
#D6AD83
accent
#953AEE
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #247DD9

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

Preview Lab → · Contrast checker → · Palette generator →

#247DD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva