#247FA3#247FA3

#247FA3 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.099 H 229.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#247FA3
RGBrgb(36, 127, 163)
HSLhsl(197, 64%, 39%)
HSVhsv(197, 78%, 64%)
CMYKcmyk(77.9%, 22.1%, 0%, 36.1%)
CIE-LABlab(49.73, -13.58, -26.69)
CIE-LCHlch(49.73, 29.95, 243.03°)
OKLaboklab(56.08% -0.0642 -0.075)
OKLCHoklch(56.08% 0.099 229.4)
XYZxyz(14.9251, 18.1964, 37.3689)
Luminance0.1820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247FA3 #A34824
analogous
#24A388 #247FA3 #2440A3
triadic
#247FA3 #A3247F #7FA324
tetradic
#247FA3 #8824A3 #A34824 #40A324
square
#247FA3 #8824A3 #A34824 #40A324
split-complementary
#247FA3 #A32440 #A38824
monochromatic
#0E313F #195871 #247FA3 #32A5D2 #65BBDD

Accessibility & contrast

On white

4.53
#247FA3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#247FA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247FA3
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247FA3#FFFFFF#000000##000000
##247FA31.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C7DA5
Deuteranopia (green-blind)
#5B71A2
Tritanopia (blue-blind)
#00898B
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #247fa3;
/* rgb */ color: rgb(36, 127, 163);
/* oklch */ color: oklch(56.1% 0.099 229.4);
Tailwind
colors: {
  custom: {
    50: '#73a4be',
    500: '#247fa3',
    950: '#000000',
  },
}
SCSS
$custom: #247fa3;
$custom-light: #73a4be;
$custom-dark: #000000;
JSON
{
  "hex": "#247fa3",
  "rgb": {
    "r": 36,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 197.008,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.56082,
    "c": 0.09877,
    "h": 229.4
  },
  "luminance": 0.18198
}

Semantic roles & 50–950 ramp

primary
#247FA3
secondary
#C27C60
accent
#7041E7
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #247FA3

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

Preview Lab → · Contrast checker → · Palette generator →

#247FA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva