#556DA3#556DA3

#556DA3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 53.9% C 0.090 H 265.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#556DA3
RGB	rgb(85, 109, 163)
HSL	hsl(222, 31%, 49%)
HSV	hsv(222, 48%, 64%)
CMYK	cmyk(47.9%, 33.1%, 0%, 36.1%)
CIE-LAB	lab(46.33, 6.41, -31.86)
CIE-LCH	lch(46.33, 32.49, 281.37°)
OKLab	oklab(53.94% -0.0074 -0.0895)
OKLCH	oklch(53.94% 0.09 265.3)
XYZ	xyz(15.8237, 15.5119, 36.8035)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DA3 #A38B55

analogous

#5594A3 #556DA3 #6455A3

triadic

#556DA3 #A3556D #6DA355

tetradic

#556DA3 #A35594 #A38B55 #55A364

square

#556DA3 #A35594 #A38B55 #55A364

split-complementary

#556DA3 #A36455 #94A355

monochromatic

#2B3753 #40527B #556DA3 #7B8EBA #A3B1CF

Accessibility & contrast

On white

5.12

#556DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#556DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DA3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DA3	#FFFFFF	#000000	##FFFFFF
##556DA3	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5972A5

Deuteranopia (green-blind)

#516BA2

Tritanopia (blue-blind)

#367880

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #556da3;
/* rgb */ color: rgb(85, 109, 163);
/* oklch */ color: oklch(53.9% 0.090 265.3);

Tailwind

colors: {
  custom: {
    50: '#8996be',
    500: '#556da3',
    950: '#000000',
  },
}

SCSS

$custom: #556da3;
$custom-light: #8996be;
$custom-dark: #000000;

JSON

{
  "hex": "#556da3",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 163
  },
  "hsl": {
    "h": 221.538,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5394,
    "c": 0.0898,
    "h": 265.3
  },
  "luminance": 0.15513
}

Semantic roles & 50–950 ramp

primary

#556DA3

secondary

#BDB197

accent

#A860C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556DA3

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

Preview Lab → · Contrast checker → · Palette generator →