#247AD9#247AD9

#247AD9 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 58.0% C 0.166 H 254.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#247AD9
RGB	rgb(36, 122, 217)
HSL	hsl(211, 72%, 50%)
HSV	hsv(211, 83%, 85%)
CMYK	cmyk(83.4%, 43.8%, 0%, 14.9%)
CIE-LAB	lab(51.04, 9.46, -55.62)
CIE-LCH	lch(51.04, 56.42, 279.65°)
OKLab	oklab(58.02% -0.0444 -0.1596)
OKLCH	oklch(58.02% 0.166 254.5)
XYZ	xyz(20.2068, 19.3014, 68.2927)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247AD9 #D98324

analogous

#24D5D9 #247AD9 #2924D9

triadic

#247AD9 #D9247A #7AD924

tetradic

#247AD9 #D924D5 #D98324 #24D929

square

#247AD9 #D924D5 #D98324 #24D929

split-complementary

#247AD9 #D92924 #D5D924

monochromatic

#133F70 #1B5CA5 #247AD9 #579AE3 #8CB9EC

Accessibility & contrast

On white

4.32

#247AD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#247AD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247AD9

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247AD9	#FFFFFF	#000000	##000000
##247AD9	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4882DD

Deuteranopia (green-blind)

#2272D7

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #247ad9;
/* rgb */ color: rgb(36, 122, 217);
/* oklch */ color: oklch(58.0% 0.166 254.5);

Tailwind

colors: {
  custom: {
    50: '#7d9fe5',
    500: '#247ad9',
    950: '#000000',
  },
}

SCSS

$custom: #247ad9;
$custom-light: #7d9fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#247ad9",
  "rgb": {
    "r": 36,
    "g": 122,
    "b": 217
  },
  "hsl": {
    "h": 211.492,
    "s": 71.542,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58021,
    "c": 0.16562,
    "h": 254.5
  },
  "luminance": 0.19304
}

Semantic roles & 50–950 ramp

primary

#247AD9

secondary

#D6AE83

accent

#983AEE

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #247AD9

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

Preview Lab → · Contrast checker → · Palette generator →