#556EAD#556EAD

#556EAD is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.7% C 0.103 H 266.6°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#556EAD
RGB	rgb(85, 110, 173)
HSL	hsl(223, 35%, 51%)
HSV	hsv(223, 51%, 68%)
CMYK	cmyk(50.9%, 36.4%, 0%, 32.2%)
CIE-LAB	lab(47.10, 8.95, -36.49)
CIE-LCH	lch(47.10, 37.58, 283.78°)
OKLab	oklab(54.7% -0.0061 -0.103)
OKLCH	oklch(54.7% 0.103 266.6)
XYZ	xyz(16.8626, 16.0992, 41.7459)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EAD #AD9455

analogous

#559AAD #556EAD #6855AD

triadic

#556EAD #AD556E #6EAD55

tetradic

#556EAD #AD559A #AD9455 #55AD68

square

#556EAD #AD559A #AD9455 #55AD68

split-complementary

#556EAD #AD6855 #9AAD55

monochromatic

#2C3A5B #405485 #556EAD #7E91C1 #A8B4D5

Accessibility & contrast

On white

4.98

#556EAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#556EAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EAD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EAD	#FFFFFF	#000000	##FFFFFF
##556EAD	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5674B0

Deuteranopia (green-blind)

#4C6CAC

Tritanopia (blue-blind)

#2E7B85

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556ead;
/* rgb */ color: rgb(85, 110, 173);
/* oklch */ color: oklch(54.7% 0.103 266.6);

Tailwind

colors: {
  custom: {
    50: '#8a97c6',
    500: '#556ead',
    950: '#000000',
  },
}

SCSS

$custom: #556ead;
$custom-light: #8a97c6;
$custom-dark: #000000;

JSON

{
  "hex": "#556ead",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 173
  },
  "hsl": {
    "h": 222.955,
    "s": 34.921,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54704,
    "c": 0.10314,
    "h": 266.6
  },
  "luminance": 0.161
}

Semantic roles & 50–950 ramp

primary

#556EAD

secondary

#C2B79B

accent

#AC5DCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556EAD

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

Preview Lab → · Contrast checker → · Palette generator →