#247CD9#247CD9

#247CD9 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.5% C 0.163 H 253.7°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#247CD9
RGB	rgb(36, 124, 217)
HSL	hsl(211, 72%, 50%)
HSV	hsv(211, 83%, 85%)
CMYK	cmyk(83.4%, 42.9%, 0%, 14.9%)
CIE-LAB	lab(51.61, 8.22, -54.70)
CIE-LCH	lch(51.61, 55.32, 278.55°)
OKLab	oklab(58.46% -0.0459 -0.1568)
OKLCH	oklch(58.46% 0.163 253.7)
XYZ	xyz(20.4549, 19.7976, 68.3754)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247CD9 #D98124

analogous

#24D7D9 #247CD9 #2724D9

triadic

#247CD9 #D9247C #7CD924

tetradic

#247CD9 #D924D7 #D98124 #24D927

square

#247CD9 #D924D7 #D98124 #24D927

split-complementary

#247CD9 #D92724 #D7D924

monochromatic

#134070 #1B5EA5 #247CD9 #579BE3 #8CBAEC

Accessibility & contrast

On white

4.23

#247CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#247CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247CD9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247CD9	#FFFFFF	#000000	##000000
##247CD9	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C84DD

Deuteranopia (green-blind)

#2974D7

Tritanopia (blue-blind)

#0092A0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #247cd9;
/* rgb */ color: rgb(36, 124, 217);
/* oklch */ color: oklch(58.5% 0.163 253.7);

Tailwind

colors: {
  custom: {
    50: '#7da1e5',
    500: '#247cd9',
    950: '#000000',
  },
}

SCSS

$custom: #247cd9;
$custom-light: #7da1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#247cd9",
  "rgb": {
    "r": 36,
    "g": 124,
    "b": 217
  },
  "hsl": {
    "h": 210.829,
    "s": 71.542,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58464,
    "c": 0.16341,
    "h": 253.7
  },
  "luminance": 0.198
}

Semantic roles & 50–950 ramp

primary

#247CD9

secondary

#D6AE83

accent

#963AEE

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #247CD9

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

Preview Lab → · Contrast checker → · Palette generator →