#556FD6#556FD6

#556FD6 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.160 H 270.1°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#556FD6
RGB	rgb(85, 111, 214)
HSL	hsl(228, 61%, 59%)
HSV	hsv(228, 60%, 84%)
CMYK	cmyk(60.3%, 48.1%, 0%, 16.1%)
CIE-LAB	lab(49.68, 21.84, -55.99)
CIE-LCH	lch(49.68, 60.10, 291.31°)
OKLab	oklab(57.43% 0.0002 -0.1601)
OKLCH	oklch(57.43% 0.16 270.1)
XYZ	xyz(21.5643, 18.1534, 65.9729)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD6 #D6BC55

analogous

#55AFD6 #556FD6 #7B55D6

triadic

#556FD6 #D6556F #6FD655

tetradic

#556FD6 #D655AF #D6BC55 #55D67B

square

#556FD6 #D655AF #D6BC55 #55D67B

split-complementary

#556FD6 #D67B55 #AFD655

monochromatic

#22388E #2E4CC0 #556FD6 #8699E2 #B8C3EE

Accessibility & contrast

On white

4.53

#556FD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#556FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD6

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD6	#FFFFFF	#000000	##000000
##556FD6	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7CDA

Deuteranopia (green-blind)

#2371D4

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd6;
/* rgb */ color: rgb(85, 111, 214);
/* oklch */ color: oklch(57.4% 0.160 270.1);

Tailwind

colors: {
  custom: {
    50: '#9098e3',
    500: '#556fd6',
    950: '#000000',
  },
}

SCSS

$custom: #556fd6;
$custom-light: #9098e3;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd6",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 214
  },
  "hsl": {
    "h": 227.907,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.57428,
    "c": 0.1601,
    "h": 270.1
  },
  "luminance": 0.18155
}

Semantic roles & 50–950 ramp

primary

#556FD6

secondary

#DDD3AA

accent

#C444E4

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D15

muted

#7E7E84

Preview Lab

Preview with #556FD6

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

Preview Lab → · Contrast checker → · Palette generator →