#556AB2#556AB2

#556AB2 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.1% C 0.115 H 270.0°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#556AB2
RGB	rgb(85, 106, 178)
HSL	hsl(226, 38%, 52%)
HSV	hsv(226, 52%, 70%)
CMYK	cmyk(52.2%, 40.4%, 0%, 30.2%)
CIE-LAB	lab(46.25, 13.04, -40.76)
CIE-LCH	lch(46.25, 42.80, 287.73°)
OKLab	oklab(54.13% -0.0001 -0.1155)
OKLCH	oklch(54.13% 0.115 270)
XYZ	xyz(16.9336, 15.4526, 44.2012)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AB2 #B29D55

analogous

#5599B2 #556AB2 #6F55B2

triadic

#556AB2 #B2556A #6AB255

tetradic

#556AB2 #B25599 #B29D55 #55B26F

square

#556AB2 #B25599 #B29D55 #55B26F

split-complementary

#556AB2 #B26F55 #99B255

monochromatic

#2C3861 #3F508B #556AB2 #7F8FC5 #A9B4D8

Accessibility & contrast

On white

5.13

#556AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#556AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AB2

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AB2	#FFFFFF	#000000	##FFFFFF
##556AB2	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#436AB0

Tritanopia (blue-blind)

#2A7985

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #556ab2;
/* rgb */ color: rgb(85, 106, 178);
/* oklch */ color: oklch(54.1% 0.115 270.0);

Tailwind

colors: {
  custom: {
    50: '#8b94c9',
    500: '#556ab2',
    950: '#000000',
  },
}

SCSS

$custom: #556ab2;
$custom-light: #8b94c9;
$custom-dark: #000000;

JSON

{
  "hex": "#556ab2",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 178
  },
  "hsl": {
    "h": 226.452,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54129,
    "c": 0.11546,
    "h": 270
  },
  "luminance": 0.15454
}

Semantic roles & 50–950 ramp

primary

#556AB2

secondary

#C6BD9D

accent

#B45ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556AB2

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

Preview Lab → · Contrast checker → · Palette generator →