#247D9B#247D9B

#247D9B is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.093 H 225.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#247D9B
RGB	rgb(36, 125, 155)
HSL	hsl(195, 62%, 37%)
HSV	hsv(195, 77%, 61%)
CMYK	cmyk(76.8%, 19.4%, 0%, 39.2%)
CIE-LAB	lab(48.77, -15.28, -23.52)
CIE-LCH	lch(48.77, 28.04, 237.00°)
OKLab	oklab(55.2% -0.0653 -0.0659)
OKLCH	oklch(55.2% 0.093 225.3)
XYZ	xyz(13.9751, 17.4072, 33.6274)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247D9B #9B4224

analogous

#249B7E #247D9B #24419B

triadic

#247D9B #9B247D #7D9B24

tetradic

#247D9B #7E249B #9B4224 #419B24

square

#247D9B #7E249B #9B4224 #419B24

split-complementary

#247D9B #9B2441 #9B7E24

monochromatic

#0D2D38 #185569 #247D9B #30A5CD #5FBBDA

Accessibility & contrast

On white

4.69

#247D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#247D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #247D9B

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247D9B	#FFFFFF	#000000	##FFFFFF
##247D9B	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9D

Deuteranopia (green-blind)

#5D6F9B

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #247d9b;
/* rgb */ color: rgb(36, 125, 155);
/* oklch */ color: oklch(55.2% 0.093 225.3);

Tailwind

colors: {
  custom: {
    50: '#71a2b8',
    500: '#247d9b',
    950: '#000000',
  },
}

SCSS

$custom: #247d9b;
$custom-light: #71a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#247d9b",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 155
  },
  "hsl": {
    "h": 195.126,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55199,
    "c": 0.09279,
    "h": 225.3
  },
  "luminance": 0.17409
}

Semantic roles & 50–950 ramp

primary

#247D9B

secondary

#BF755C

accent

#6C42E5

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #247D9B

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

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