#556ED4#556ED4

#556ED4 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.1% C 0.159 H 270.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556ED4
RGB	rgb(85, 110, 212)
HSL	hsl(228, 60%, 58%)
HSV	hsv(228, 60%, 83%)
CMYK	cmyk(59.9%, 48.1%, 0%, 16.9%)
CIE-LAB	lab(49.30, 21.79, -55.48)
CIE-LCH	lch(49.30, 59.60, 291.45°)
OKLab	oklab(57.1% 0.001 -0.1586)
OKLCH	oklch(57.1% 0.159 270.3)
XYZ	xyz(21.2019, 17.8349, 64.5998)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ED4 #D4BB55

analogous

#55ADD4 #556ED4 #7B55D4

triadic

#556ED4 #D4556E #6ED455

tetradic

#556ED4 #D455AD #D4BB55 #55D47B

square

#556ED4 #D455AD #D4BB55 #55D47B

split-complementary

#556ED4 #D47B55 #ADD455

monochromatic

#23388B #304BBC #556ED4 #8698E0 #B7C1ED

Accessibility & contrast

On white

4.60

#556ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#556ED4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556ED4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ED4	#FFFFFF	#000000	##FFFFFF
##556ED4	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7BD8

Deuteranopia (green-blind)

#2470D2

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556ed4;
/* rgb */ color: rgb(85, 110, 212);
/* oklch */ color: oklch(57.1% 0.159 270.3);

Tailwind

colors: {
  custom: {
    50: '#9097e2',
    500: '#556ed4',
    950: '#000000',
  },
}

SCSS

$custom: #556ed4;
$custom-light: #9097e2;
$custom-dark: #000000;

JSON

{
  "hex": "#556ed4",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 212
  },
  "hsl": {
    "h": 228.189,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57095,
    "c": 0.15859,
    "h": 270.3
  },
  "luminance": 0.17837
}

Semantic roles & 50–950 ramp

primary

#556ED4

secondary

#DCD2A9

accent

#C445E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556ED4

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

Preview Lab → · Contrast checker → · Palette generator →