#247DC4#247DC4

#247DC4 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.136 H 247.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#247DC4
RGB	rgb(36, 125, 196)
HSL	hsl(207, 69%, 45%)
HSV	hsv(207, 82%, 77%)
CMYK	cmyk(81.6%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(50.72, -0.33, -44.19)
CIE-LCH	lch(50.72, 44.19, 269.57°)
OKLab	oklab(57.38% -0.0517 -0.1259)
OKLCH	oklch(57.38% 0.136 247.7)
XYZ	xyz(18.0211, 19.0256, 54.9364)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DC4 #C46B24

analogous

#24C4BB #247DC4 #242DC4

triadic

#247DC4 #C4247D #7DC424

tetradic

#247DC4 #BB24C4 #C46B24 #2DC424

square

#247DC4 #BB24C4 #C46B24 #2DC424

split-complementary

#247DC4 #C4242D #C4BB24

monochromatic

#113B5D #1B5C90 #247DC4 #489BDD #7CB7E7

Accessibility & contrast

On white

4.37

#247DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#247DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247DC4

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DC4	#FFFFFF	#000000	##000000
##247DC4	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C7

Deuteranopia (green-blind)

#4472C3

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #247dc4;
/* rgb */ color: rgb(36, 125, 196);
/* oklch */ color: oklch(57.4% 0.136 247.7);

Tailwind

colors: {
  custom: {
    50: '#79a2d6',
    500: '#247dc4',
    950: '#000000',
  },
}

SCSS

$custom: #247dc4;
$custom-light: #79a2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#247dc4",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 206.625,
    "s": 68.966,
    "l": 45.49
  },
  "oklch": {
    "l": 0.57384,
    "c": 0.13616,
    "h": 247.7
  },
  "luminance": 0.19028
}

Semantic roles & 50–950 ramp

primary

#247DC4

secondary

#CF9D75

accent

#8A3CEC

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #247DC4

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

Preview Lab → · Contrast checker → · Palette generator →