#247C9E#247C9E

#247C9E is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.1% C 0.096 H 228.7°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#247C9E
RGB	rgb(36, 124, 158)
HSL	hsl(197, 63%, 38%)
HSV	hsv(197, 77%, 62%)
CMYK	cmyk(77.2%, 21.5%, 0%, 38%)
CIE-LAB	lab(48.58, -13.66, -25.56)
CIE-LCH	lch(48.58, 28.98, 241.88°)
OKLab	oklab(55.09% -0.0631 -0.0718)
OKLCH	oklch(55.09% 0.096 228.7)
XYZ	xyz(14.1042, 17.2573, 34.9288)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247C9E #9E4624

analogous

#249E83 #247C9E #243F9E

triadic

#247C9E #9E247C #7C9E24

tetradic

#247C9E #83249E #9E4624 #3F9E24

square

#247C9E #83249E #9E4624 #3F9E24

split-complementary

#247C9E #9E243F #9E8324

monochromatic

#0D2E3A #19556C #247C9E #2FA3D0 #61B9DB

Accessibility & contrast

On white

4.72

#247C9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#247C9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247C9E

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247C9E	#FFFFFF	#000000	##FFFFFF
##247C9E	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7AA0

Deuteranopia (green-blind)

#5A6E9E

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #247c9e;
/* rgb */ color: rgb(36, 124, 158);
/* oklch */ color: oklch(55.1% 0.096 228.7);

Tailwind

colors: {
  custom: {
    50: '#72a2ba',
    500: '#247c9e',
    950: '#000000',
  },
}

SCSS

$custom: #247c9e;
$custom-light: #72a2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#247c9e",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 158
  },
  "hsl": {
    "h": 196.721,
    "s": 62.887,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55091,
    "c": 0.09561,
    "h": 228.7
  },
  "luminance": 0.17259
}

Semantic roles & 50–950 ramp

primary

#247C9E

secondary

#C0795E

accent

#7042E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #247C9E

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

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