#247EA8#247EA8

#247EA8 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.104 H 233.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#247EA8
RGBrgb(36, 126, 168)
HSLhsl(199, 65%, 40%)
HSVhsv(199, 79%, 66%)
CMYKcmyk(78.6%, 25%, 0%, 34.1%)
CIE-LABlab(49.64, -11.23, -29.74)
CIE-LCHlch(49.64, 31.79, 249.31°)
OKLaboklab(56.08% -0.0614 -0.0838)
OKLCHoklch(56.08% 0.104 233.8)
XYZxyz(15.2534, 18.1221, 39.7322)
Luminance0.1812 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247EA8 #A84E24
analogous
#24A890 #247EA8 #243CA8
triadic
#247EA8 #A8247E #7EA824
tetradic
#247EA8 #9024A8 #A84E24 #3CA824
square
#247EA8 #9024A8 #A84E24 #3CA824
split-complementary
#247EA8 #A8243C #A89024
monochromatic
#0E3243 #195876 #247EA8 #35A1D4 #68B9DF

Accessibility & contrast

On white

4.54
#247EA8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#247EA8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247EA8
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247EA8#FFFFFF#000000##000000
##247EA81.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#697DAA
Deuteranopia (green-blind)
#5871A7
Tritanopia (blue-blind)
#00898C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #247ea8;
/* rgb */ color: rgb(36, 126, 168);
/* oklch */ color: oklch(56.1% 0.104 233.8);
Tailwind
colors: {
  custom: {
    50: '#74a3c2',
    500: '#247ea8',
    950: '#000000',
  },
}
SCSS
$custom: #247ea8;
$custom-light: #74a3c2;
$custom-dark: #000000;
JSON
{
  "hex": "#247ea8",
  "rgb": {
    "r": 36,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 199.091,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.56084,
    "c": 0.10393,
    "h": 233.8
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary
#247EA8
secondary
#C48263
accent
#7540E8
background
#F7FAFB
surface
#EEF3F7
border
#C9CDD0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #247EA8

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

Preview Lab → · Contrast checker → · Palette generator →

#247EA8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva