#556CD5#556CD5

#556CD5 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.8% C 0.163 H 271.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#556CD5
RGB	rgb(85, 108, 213)
HSL	hsl(229, 60%, 58%)
HSV	hsv(229, 60%, 84%)
CMYK	cmyk(60.1%, 49.3%, 0%, 16.5%)
CIE-LAB	lab(48.83, 23.37, -56.79)
CIE-LCH	lch(48.83, 61.41, 292.37°)
OKLab	oklab(56.76% 0.0031 -0.1625)
OKLCH	oklch(56.76% 0.163 271.1)
XYZ	xyz(21.1151, 17.4588, 65.1951)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CD5 #D5BE55

analogous

#55ACD5 #556CD5 #7E55D5

triadic

#556CD5 #D5556C #6CD555

tetradic

#556CD5 #D555AC #D5BE55 #55D57E

square

#556CD5 #D555AC #D5BE55 #55D57E

split-complementary

#556CD5 #D57E55 #ACD555

monochromatic

#23368D #2F49BE #556CD5 #8696E1 #B7C1ED

Accessibility & contrast

On white

4.67

#556CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#556CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556CD5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CD5	#FFFFFF	#000000	##FFFFFF
##556CD5	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357AD9

Deuteranopia (green-blind)

#1B6FD3

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556cd5;
/* rgb */ color: rgb(85, 108, 213);
/* oklch */ color: oklch(56.8% 0.163 271.1);

Tailwind

colors: {
  custom: {
    50: '#9095e2',
    500: '#556cd5',
    950: '#000000',
  },
}

SCSS

$custom: #556cd5;
$custom-light: #9095e2;
$custom-dark: #000000;

JSON

{
  "hex": "#556cd5",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 213
  },
  "hsl": {
    "h": 229.219,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.56764,
    "c": 0.1625,
    "h": 271.1
  },
  "luminance": 0.17461
}

Semantic roles & 50–950 ramp

primary

#556CD5

secondary

#DCD3A9

accent

#C744E4

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #556CD5

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

Preview Lab → · Contrast checker → · Palette generator →