#247AD9#247AD9

#247AD9 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 58.0% C 0.166 H 254.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#247AD9
RGBrgb(36, 122, 217)
HSLhsl(211, 72%, 50%)
HSVhsv(211, 83%, 85%)
CMYKcmyk(83.4%, 43.8%, 0%, 14.9%)
CIE-LABlab(51.04, 9.46, -55.62)
CIE-LCHlch(51.04, 56.42, 279.65°)
OKLaboklab(58.02% -0.0444 -0.1596)
OKLCHoklch(58.02% 0.166 254.5)
XYZxyz(20.2068, 19.3014, 68.2927)
Luminance0.1930 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247AD9 #D98324
analogous
#24D5D9 #247AD9 #2924D9
triadic
#247AD9 #D9247A #7AD924
tetradic
#247AD9 #D924D5 #D98324 #24D929
square
#247AD9 #D924D5 #D98324 #24D929
split-complementary
#247AD9 #D92924 #D5D924
monochromatic
#133F70 #1B5CA5 #247AD9 #579AE3 #8CB9EC

Accessibility & contrast

On white

4.32
#247AD9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#247AD9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247AD9
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247AD9#FFFFFF#000000##000000
##247AD91.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4882DD
Deuteranopia (green-blind)
#2272D7
Tritanopia (blue-blind)
#00919F
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #247ad9;
/* rgb */ color: rgb(36, 122, 217);
/* oklch */ color: oklch(58.0% 0.166 254.5);
Tailwind
colors: {
  custom: {
    50: '#7d9fe5',
    500: '#247ad9',
    950: '#000000',
  },
}
SCSS
$custom: #247ad9;
$custom-light: #7d9fe5;
$custom-dark: #000000;
JSON
{
  "hex": "#247ad9",
  "rgb": {
    "r": 36,
    "g": 122,
    "b": 217
  },
  "hsl": {
    "h": 211.492,
    "s": 71.542,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58021,
    "c": 0.16562,
    "h": 254.5
  },
  "luminance": 0.19304
}

Semantic roles & 50–950 ramp

primary
#247AD9
secondary
#D6AE83
accent
#983AEE
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #247AD9

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

Preview Lab → · Contrast checker → · Palette generator →

#247AD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva