#247DBD#247DBD

#247DBD is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.128 H 245.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#247DBD
RGB	rgb(36, 125, 189)
HSL	hsl(205, 68%, 44%)
HSV	hsv(205, 81%, 74%)
CMYK	cmyk(81%, 33.9%, 0%, 25.9%)
CIE-LAB	lab(50.35, -2.95, -40.76)
CIE-LCH	lch(50.35, 40.87, 265.86°)
OKLab	oklab(56.98% -0.0537 -0.1159)
OKLCH	oklch(56.98% 0.128 245.1)
XYZ	xyz(17.2429, 18.7143, 50.8377)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DBD #BD6424

analogous

#24BDB1 #247DBD #2431BD

triadic

#247DBD #BD247D #7DBD24

tetradic

#247DBD #B124BD #BD6424 #31BD24

square

#247DBD #B124BD #BD6424 #31BD24

split-complementary

#247DBD #BD2431 #BDB124

monochromatic

#103956 #1A5B8A #247DBD #439CDB #76B7E5

Accessibility & contrast

On white

4.43

#247DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#247DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247DBD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DBD	#FFFFFF	#000000	##000000
##247DBD	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FC0

Deuteranopia (green-blind)

#4972BC

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #247dbd;
/* rgb */ color: rgb(36, 125, 189);
/* oklch */ color: oklch(57.0% 0.128 245.1);

Tailwind

colors: {
  custom: {
    50: '#78a2d1',
    500: '#247dbd',
    950: '#000000',
  },
}

SCSS

$custom: #247dbd;
$custom-light: #78a2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#247dbd",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 205.098,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56977,
    "c": 0.12775,
    "h": 245.1
  },
  "luminance": 0.18716
}

Semantic roles & 50–950 ramp

primary

#247DBD

secondary

#CC9770

accent

#863DEB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0F14

muted

#7C7E82

Preview Lab

Preview with #247DBD

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

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