#556ED2#556ED2

#556ED2 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.0% C 0.156 H 270.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#556ED2
RGB	rgb(85, 110, 210)
HSL	hsl(228, 58%, 58%)
HSV	hsv(228, 60%, 82%)
CMYK	cmyk(59.5%, 47.6%, 0%, 17.6%)
CIE-LAB	lab(49.17, 21.12, -54.54)
CIE-LCH	lch(49.17, 58.48, 291.17°)
OKLab	oklab(56.96% 0.0007 -0.1558)
OKLCH	oklch(56.96% 0.156 270.3)
XYZ	xyz(20.9512, 17.7346, 63.2793)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ED2 #D2B955

analogous

#55ACD2 #556ED2 #7A55D2

triadic

#556ED2 #D2556E #6ED255

tetradic

#556ED2 #D255AC #D2B955 #55D27A

square

#556ED2 #D255AC #D2B955 #55D27A

split-complementary

#556ED2 #D27A55 #ACD255

monochromatic

#243888 #314CB9 #556ED2 #8597DF #B6C1EC

Accessibility & contrast

On white

4.62

#556ED2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#556ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556ED2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ED2	#FFFFFF	#000000	##FFFFFF
##556ED2	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7BD6

Deuteranopia (green-blind)

#2770D0

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556ed2;
/* rgb */ color: rgb(85, 110, 210);
/* oklch */ color: oklch(57.0% 0.156 270.3);

Tailwind

colors: {
  custom: {
    50: '#8f97e0',
    500: '#556ed2',
    950: '#000000',
  },
}

SCSS

$custom: #556ed2;
$custom-light: #8f97e0;
$custom-dark: #000000;

JSON

{
  "hex": "#556ed2",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 210
  },
  "hsl": {
    "h": 228,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.56962,
    "c": 0.15582,
    "h": 270.3
  },
  "luminance": 0.17736
}

Semantic roles & 50–950 ramp

primary

#556ED2

secondary

#DAD0A8

accent

#C246E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556ED2

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

Preview Lab → · Contrast checker → · Palette generator →