#556FD8#556FD8

#556FD8 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.163 H 270.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#556FD8
RGB	rgb(85, 111, 216)
HSL	hsl(228, 63%, 59%)
HSV	hsv(228, 61%, 85%)
CMYK	cmyk(60.6%, 48.6%, 0%, 15.3%)
CIE-LAB	lab(49.81, 22.52, -56.93)
CIE-LCH	lch(49.81, 61.22, 291.58°)
OKLab	oklab(57.56% 0.0004 -0.1628)
OKLCH	oklch(57.56% 0.163 270.2)
XYZ	xyz(21.8213, 18.2562, 67.3263)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD8 #D8BE55

analogous

#55B0D8 #556FD8 #7D55D8

triadic

#556FD8 #D8556F #6FD855

tetradic

#556FD8 #D855B0 #D8BE55 #55D87D

square

#556FD8 #D855B0 #D8BE55 #55D87D

split-complementary

#556FD8 #D87D55 #B0D855

monochromatic

#213891 #2D4BC3 #556FD8 #8799E3 #B9C3EF

Accessibility & contrast

On white

4.51

#556FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#556FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD8

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD8	#FFFFFF	#000000	##000000
##556FD8	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397DDC

Deuteranopia (green-blind)

#1F71D6

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd8;
/* rgb */ color: rgb(85, 111, 216);
/* oklch */ color: oklch(57.6% 0.163 270.2);

Tailwind

colors: {
  custom: {
    50: '#9098e5',
    500: '#556fd8',
    950: '#000000',
  },
}

SCSS

$custom: #556fd8;
$custom-light: #9098e5;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd8",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 216
  },
  "hsl": {
    "h": 228.092,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57562,
    "c": 0.16285,
    "h": 270.2
  },
  "luminance": 0.18258
}

Semantic roles & 50–950 ramp

primary

#556FD8

secondary

#DED4AB

accent

#C542E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FD8

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

Preview Lab → · Contrast checker → · Palette generator →