#556AB0#556AB0

#556AB0 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 54.0% C 0.113 H 269.7°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#556AB0
RGB	rgb(85, 106, 176)
HSL	hsl(226, 37%, 51%)
HSV	hsv(226, 52%, 69%)
CMYK	cmyk(51.7%, 39.8%, 0%, 31%)
CIE-LAB	lab(46.14, 12.39, -39.77)
CIE-LCH	lch(46.14, 41.65, 287.31°)
OKLab	oklab(54.01% -0.0005 -0.1125)
OKLCH	oklch(54.01% 0.113 269.7)
XYZ	xyz(16.7343, 15.3728, 43.1513)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AB0 #B09B55

analogous

#5597B0 #556AB0 #6D55B0

triadic

#556AB0 #B0556A #6AB055

tetradic

#556AB0 #B05597 #B09B55 #55B06D

square

#556AB0 #B05597 #B09B55 #55B06D

split-complementary

#556AB0 #B06D55 #97B055

monochromatic

#2C385F #3F5088 #556AB0 #7F8FC3 #A9B3D7

Accessibility & contrast

On white

5.15

#556AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#556AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AB0

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AB0	#FFFFFF	#000000	##FFFFFF
##556AB0	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B3

Deuteranopia (green-blind)

#446AAE

Tritanopia (blue-blind)

#2C7984

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #556ab0;
/* rgb */ color: rgb(85, 106, 176);
/* oklch */ color: oklch(54.0% 0.113 269.7);

Tailwind

colors: {
  custom: {
    50: '#8b94c8',
    500: '#556ab0',
    950: '#000000',
  },
}

SCSS

$custom: #556ab0;
$custom-light: #8b94c8;
$custom-dark: #000000;

JSON

{
  "hex": "#556ab0",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 176
  },
  "hsl": {
    "h": 226.154,
    "s": 36.546,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.11254,
    "h": 269.7
  },
  "luminance": 0.15374
}

Semantic roles & 50–950 ramp

primary

#556AB0

secondary

#C5BB9C

accent

#B25BCD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556AB0

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

Preview Lab → · Contrast checker → · Palette generator →