#556EA7#556EA7

#556EA7 is a mid, moderate blue. Relative luminance 0.159; OKLCH L 54.4% C 0.094 H 265.4°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#556EA7
RGB	rgb(85, 110, 167)
HSL	hsl(222, 33%, 49%)
HSV	hsv(222, 49%, 65%)
CMYK	cmyk(49.1%, 34.1%, 0%, 34.5%)
CIE-LAB	lab(46.81, 7.05, -33.45)
CIE-LCH	lch(46.81, 34.19, 281.90°)
OKLab	oklab(54.37% -0.0076 -0.0941)
OKLCH	oklch(54.37% 0.094 265.4)
XYZ	xyz(16.2950, 15.8721, 38.7567)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EA7 #A78E55

analogous

#5597A7 #556EA7 #6555A7

triadic

#556EA7 #A7556E #6EA755

tetradic

#556EA7 #A75597 #A78E55 #55A765

square

#556EA7 #A75597 #A78E55 #55A765

split-complementary

#556EA7 #A76555 #97A755

monochromatic

#2C3956 #40537E #556EA7 #7D90BD #A5B3D1

Accessibility & contrast

On white

5.03

#556EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#556EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EA7

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EA7	#FFFFFF	#000000	##FFFFFF
##556EA7	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5973A9

Deuteranopia (green-blind)

#506CA6

Tritanopia (blue-blind)

#337A83

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556ea7;
/* rgb */ color: rgb(85, 110, 167);
/* oklch */ color: oklch(54.4% 0.094 265.4);

Tailwind

colors: {
  custom: {
    50: '#8997c1',
    500: '#556ea7',
    950: '#000000',
  },
}

SCSS

$custom: #556ea7;
$custom-light: #8997c1;
$custom-dark: #000000;

JSON

{
  "hex": "#556ea7",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 167
  },
  "hsl": {
    "h": 221.707,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54375,
    "c": 0.09443,
    "h": 265.4
  },
  "luminance": 0.15873
}

Semantic roles & 50–950 ramp

primary

#556EA7

secondary

#BFB399

accent

#A85FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556EA7

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

Preview Lab → · Contrast checker → · Palette generator →