#247CBD#247CBD

#247CBD is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.129 H 245.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#247CBD
RGBrgb(36, 124, 189)
HSLhsl(205, 68%, 44%)
HSVhsv(205, 81%, 74%)
CMYKcmyk(81%, 34.4%, 0%, 25.9%)
CIE-LABlab(50.05, -2.35, -41.23)
CIE-LCHlch(50.05, 41.30, 266.74°)
OKLaboklab(56.74% -0.0528 -0.1173)
OKLCHoklch(56.74% 0.129 245.8)
XYZxyz(17.1170, 18.4624, 50.7957)
Luminance0.1846 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#247CBD #BD6524
analogous
#24BDB2 #247CBD #2430BD
triadic
#247CBD #BD247C #7CBD24
tetradic
#247CBD #B224BD #BD6524 #30BD24
square
#247CBD #B224BD #BD6524 #30BD24
split-complementary
#247CBD #BD2430 #BDB224
monochromatic
#103956 #1A5A8A #247CBD #439BDB #76B6E5

Accessibility & contrast

On white

4.47
#247CBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#247CBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247CBD
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##247CBD#FFFFFF#000000##000000
##247CBD1.004.474.694.69
#FFFFFF4.471.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D7FC0
Deuteranopia (green-blind)
#4871BC
Tritanopia (blue-blind)
#008C94
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #247cbd;
/* rgb */ color: rgb(36, 124, 189);
/* oklch */ color: oklch(56.7% 0.129 245.8);
Tailwind
colors: {
  custom: {
    50: '#78a1d1',
    500: '#247cbd',
    950: '#000000',
  },
}
SCSS
$custom: #247cbd;
$custom-light: #78a1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#247cbd",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 205.49,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56741,
    "c": 0.12865,
    "h": 245.8
  },
  "luminance": 0.18464
}

Semantic roles & 50–950 ramp

primary
#247CBD
secondary
#CC9770
accent
#873DEB
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E14
muted
#7C7E82

Preview Lab

Preview with #247CBD

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

Preview Lab → · Contrast checker → · Palette generator →

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