#556FA3#556FA3

#556FA3 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.4% C 0.087 H 263.5°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#556FA3
RGB	rgb(85, 111, 163)
HSL	hsl(220, 31%, 49%)
HSV	hsv(220, 48%, 64%)
CMYK	cmyk(47.9%, 31.9%, 0%, 36.1%)
CIE-LAB	lab(46.90, 5.18, -30.96)
CIE-LCH	lch(46.90, 31.39, 279.50°)
OKLab	oklab(54.38% -0.01 -0.0869)
OKLCH	oklch(54.38% 0.087 263.5)
XYZ	xyz(16.0395, 15.9435, 36.8755)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA3 #A38955

analogous

#5596A3 #556FA3 #6255A3

triadic

#556FA3 #A3556F #6FA355

tetradic

#556FA3 #A35596 #A38955 #55A362

square

#556FA3 #A35596 #A38955 #55A362

split-complementary

#556FA3 #A36255 #96A355

monochromatic

#2B3853 #40547B #556FA3 #7B90BA #A3B2CF

Accessibility & contrast

On white

5.01

#556FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#556FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA3

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA3	#FFFFFF	#000000	##FFFFFF
##556FA3	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C73A5

Deuteranopia (green-blind)

#536CA2

Tritanopia (blue-blind)

#367A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556fa3;
/* rgb */ color: rgb(85, 111, 163);
/* oklch */ color: oklch(54.4% 0.087 263.5);

Tailwind

colors: {
  custom: {
    50: '#8998be',
    500: '#556fa3',
    950: '#000000',
  },
}

SCSS

$custom: #556fa3;
$custom-light: #8998be;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa3",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 163
  },
  "hsl": {
    "h": 220,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54385,
    "c": 0.08745,
    "h": 263.5
  },
  "luminance": 0.15945
}

Semantic roles & 50–950 ramp

primary

#556FA3

secondary

#BDB097

accent

#A560C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA3

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

Preview Lab → · Contrast checker → · Palette generator →