#556EA6#556EA6

#556EA6 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.3% C 0.093 H 265.1°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#556EA6
RGB	rgb(85, 110, 166)
HSL	hsl(221, 32%, 49%)
HSV	hsv(221, 49%, 65%)
CMYK	cmyk(48.8%, 33.7%, 0%, 34.9%)
CIE-LAB	lab(46.76, 6.73, -32.94)
CIE-LCH	lch(46.76, 33.62, 281.55°)
OKLab	oklab(54.32% -0.0079 -0.0926)
OKLCH	oklch(54.32% 0.093 265.1)
XYZ	xyz(16.2029, 15.8353, 38.2717)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EA6 #A68D55

analogous

#5597A6 #556EA6 #6455A6

triadic

#556EA6 #A6556E #6EA655

tetradic

#556EA6 #A65597 #A68D55 #55A664

square

#556EA6 #A65597 #A68D55 #55A664

split-complementary

#556EA6 #A66455 #97A655

monochromatic

#2C3855 #40537E #556EA6 #7C90BC #A5B2D1

Accessibility & contrast

On white

5.04

#556EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#556EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EA6

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EA6	#FFFFFF	#000000	##FFFFFF
##556EA6	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5973A8

Deuteranopia (green-blind)

#506BA5

Tritanopia (blue-blind)

#347A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556ea6;
/* rgb */ color: rgb(85, 110, 166);
/* oklch */ color: oklch(54.3% 0.093 265.1);

Tailwind

colors: {
  custom: {
    50: '#8997c0',
    500: '#556ea6',
    950: '#000000',
  },
}

SCSS

$custom: #556ea6;
$custom-light: #8997c0;
$custom-dark: #000000;

JSON

{
  "hex": "#556ea6",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 166
  },
  "hsl": {
    "h": 221.481,
    "s": 32.271,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54322,
    "c": 0.09297,
    "h": 265.1
  },
  "luminance": 0.15836
}

Semantic roles & 50–950 ramp

primary

#556EA6

secondary

#BEB399

accent

#A85FC8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556EA6

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

Preview Lab → · Contrast checker → · Palette generator →