#247DD9#247DD9

#247DD9 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.162 H 253.3°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#247DD9
RGB	rgb(36, 125, 217)
HSL	hsl(210, 72%, 50%)
HSV	hsv(210, 83%, 85%)
CMYK	cmyk(83.4%, 42.4%, 0%, 14.9%)
CIE-LAB	lab(51.89, 7.60, -54.25)
CIE-LCH	lch(51.89, 54.78, 277.98°)
OKLab	oklab(58.69% -0.0467 -0.1555)
OKLCH	oklch(58.69% 0.162 253.3)
XYZ	xyz(20.5808, 20.0495, 68.4174)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247DD9 #D98024

analogous

#24D8D9 #247DD9 #2524D9

triadic

#247DD9 #D9247D #7DD924

tetradic

#247DD9 #D924D8 #D98024 #24D925

square

#247DD9 #D924D8 #D98024 #24D925

split-complementary

#247DD9 #D92524 #D8D924

monochromatic

#134170 #1B5FA5 #247DD9 #579CE3 #8CBBEC

Accessibility & contrast

On white

4.19

#247DD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#247DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247DD9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247DD9	#FFFFFF	#000000	##000000
##247DD9	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E84DD

Deuteranopia (green-blind)

#2C74D7

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #247dd9;
/* rgb */ color: rgb(36, 125, 217);
/* oklch */ color: oklch(58.7% 0.162 253.3);

Tailwind

colors: {
  custom: {
    50: '#7da2e5',
    500: '#247dd9',
    950: '#000000',
  },
}

SCSS

$custom: #247dd9;
$custom-light: #7da2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#247dd9",
  "rgb": {
    "r": 36,
    "g": 125,
    "b": 217
  },
  "hsl": {
    "h": 210.497,
    "s": 71.542,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58686,
    "c": 0.16233,
    "h": 253.3
  },
  "luminance": 0.20052
}

Semantic roles & 50–950 ramp

primary

#247DD9

secondary

#D6AD83

accent

#953AEE

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #247DD9

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

Preview Lab → · Contrast checker → · Palette generator →