#556FA5#556FA5

#556FA5 is a mid, moderate blue. Relative luminance 0.160; OKLCH L 54.5% C 0.090 H 264.0°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#556FA5
RGB	rgb(85, 111, 165)
HSL	hsl(221, 32%, 49%)
HSV	hsv(221, 48%, 65%)
CMYK	cmyk(48.5%, 32.7%, 0%, 35.3%)
CIE-LAB	lab(47.00, 5.81, -31.98)
CIE-LCH	lch(47.00, 32.51, 280.29°)
OKLab	oklab(54.49% -0.0094 -0.0898)
OKLCH	oklch(54.49% 0.09 264)
XYZ	xyz(16.2201, 16.0157, 37.8267)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA5 #A58B55

analogous

#5597A5 #556FA5 #6355A5

triadic

#556FA5 #A5556F #6FA555

tetradic

#556FA5 #A55597 #A58B55 #55A563

square

#556FA5 #A55597 #A58B55 #55A563

split-complementary

#556FA5 #A56355 #97A555

monochromatic

#2B3954 #40547D #556FA5 #7C90BB #A4B2D0

Accessibility & contrast

On white

5.00

#556FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#556FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA5

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA5	#FFFFFF	#000000	##FFFFFF
##556FA5	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B73A7

Deuteranopia (green-blind)

#526CA4

Tritanopia (blue-blind)

#347B82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556fa5;
/* rgb */ color: rgb(85, 111, 165);
/* oklch */ color: oklch(54.5% 0.090 264.0);

Tailwind

colors: {
  custom: {
    50: '#8998c0',
    500: '#556fa5',
    950: '#000000',
  },
}

SCSS

$custom: #556fa5;
$custom-light: #8998c0;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa5",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 165
  },
  "hsl": {
    "h": 220.5,
    "s": 32,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5449,
    "c": 0.09034,
    "h": 264
  },
  "luminance": 0.16017
}

Semantic roles & 50–950 ramp

primary

#556FA5

secondary

#BEB198

accent

#A660C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA5

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

Preview Lab → · Contrast checker → · Palette generator →