#556ED5#556ED5

#556ED5 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.2% C 0.160 H 270.4°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#556ED5
RGB	rgb(85, 110, 213)
HSL	hsl(228, 60%, 58%)
HSV	hsv(228, 60%, 84%)
CMYK	cmyk(60.1%, 48.4%, 0%, 16.5%)
CIE-LAB	lab(49.36, 22.13, -55.95)
CIE-LCH	lch(49.36, 60.16, 291.58°)
OKLab	oklab(57.16% 0.0011 -0.16)
OKLCH	oklch(57.16% 0.16 270.4)
XYZ	xyz(21.3285, 17.8855, 65.2662)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ED5 #D5BC55

analogous

#55AED5 #556ED5 #7C55D5

triadic

#556ED5 #D5556E #6ED555

tetradic

#556ED5 #D555AE #D5BC55 #55D57C

square

#556ED5 #D555AE #D5BC55 #55D57C

split-complementary

#556ED5 #D57C55 #AED555

monochromatic

#23378D #2F4BBE #556ED5 #8698E1 #B7C2ED

Accessibility & contrast

On white

4.59

#556ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#556ED5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556ED5

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ED5	#FFFFFF	#000000	##FFFFFF
##556ED5	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7BD9

Deuteranopia (green-blind)

#2270D3

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556ed5;
/* rgb */ color: rgb(85, 110, 213);
/* oklch */ color: oklch(57.2% 0.160 270.4);

Tailwind

colors: {
  custom: {
    50: '#9097e2',
    500: '#556ed5',
    950: '#000000',
  },
}

SCSS

$custom: #556ed5;
$custom-light: #9097e2;
$custom-dark: #000000;

JSON

{
  "hex": "#556ed5",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 213
  },
  "hsl": {
    "h": 228.281,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.57162,
    "c": 0.15997,
    "h": 270.4
  },
  "luminance": 0.17887
}

Semantic roles & 50–950 ramp

primary

#556ED5

secondary

#DCD2A9

accent

#C444E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #556ED5

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

Preview Lab → · Contrast checker → · Palette generator →