#247BD4#247BD4

#247BD4 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.9% C 0.158 H 253.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#247BD4
RGB	rgb(36, 123, 212)
HSL	hsl(210, 71%, 49%)
HSV	hsv(210, 83%, 83%)
CMYK	cmyk(83%, 42%, 0%, 16.9%)
CIE-LAB	lab(51.03, 6.94, -52.80)
CIE-LCH	lch(51.03, 53.26, 277.49°)
OKLab	oklab(57.92% -0.0462 -0.1513)
OKLCH	oklch(57.92% 0.158 253)
XYZ	xyz(19.6897, 19.2920, 64.9606)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#247BD4 #D47D24

analogous

#24D3D4 #247BD4 #2524D4

triadic

#247BD4 #D4247B #7BD424

tetradic

#247BD4 #D424D3 #D47D24 #24D425

square

#247BD4 #D424D3 #D47D24 #24D425

split-complementary

#247BD4 #D42524 #D3D424

monochromatic

#123E6B #1B5DA0 #247BD4 #539AE2 #88B9EB

Accessibility & contrast

On white

4.32

#247BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#247BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #247BD4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##247BD4	#FFFFFF	#000000	##000000
##247BD4	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)

#4E82D7

Deuteranopia (green-blind)

#2E72D2

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #247bd4;
/* rgb */ color: rgb(36, 123, 212);
/* oklch */ color: oklch(57.9% 0.158 253.0);

Tailwind

colors: {
  custom: {
    50: '#7ca0e2',
    500: '#247bd4',
    950: '#000000',
  },
}

SCSS

$custom: #247bd4;
$custom-light: #7ca0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#247bd4",
  "rgb": {
    "r": 36,
    "g": 123,
    "b": 212
  },
  "hsl": {
    "h": 210.341,
    "s": 70.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57917,
    "c": 0.15817,
    "h": 253
  },
  "luminance": 0.19294
}

Semantic roles & 50–950 ramp

primary

#247BD4

secondary

#D4AA80

accent

#953AEE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #247BD4

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

Preview Lab → · Contrast checker → · Palette generator →