#556EBD#556EBD

#556EBD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.126 H 268.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#556EBD
RGB	rgb(85, 110, 189)
HSL	hsl(226, 44%, 54%)
HSV	hsv(226, 55%, 74%)
CMYK	cmyk(55%, 41.8%, 0%, 25.9%)
CIE-LAB	lab(47.95, 14.14, -44.44)
CIE-LCH	lch(47.95, 46.64, 287.65°)
OKLab	oklab(55.63% -0.0026 -0.1262)
OKLCH	oklch(55.63% 0.126 268.8)
XYZ	xyz(18.5045, 16.7559, 50.3934)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EBD #BDA455

analogous

#55A2BD #556EBD #7055BD

triadic

#556EBD #BD556E #6EBD55

tetradic

#556EBD #BD55A2 #BDA455 #55BD70

square

#556EBD #BD55A2 #BDA455 #55BD70

split-complementary

#556EBD #BD7055 #A2BD55

monochromatic

#2A3A6D #3C5299 #556EBD #8194CE #ADB9DF

Accessibility & contrast

On white

4.83

#556EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#556EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EBD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EBD	#FFFFFF	#000000	##FFFFFF
##556EBD	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C0

Deuteranopia (green-blind)

#406EBB

Tritanopia (blue-blind)

#1B7F8C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556ebd;
/* rgb */ color: rgb(85, 110, 189);
/* oklch */ color: oklch(55.6% 0.126 268.8);

Tailwind

colors: {
  custom: {
    50: '#8c97d1',
    500: '#556ebd',
    950: '#000000',
  },
}

SCSS

$custom: #556ebd;
$custom-light: #8c97d1;
$custom-dark: #000000;

JSON

{
  "hex": "#556ebd",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 189
  },
  "hsl": {
    "h": 225.577,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55633,
    "c": 0.12622,
    "h": 268.8
  },
  "luminance": 0.16757
}

Semantic roles & 50–950 ramp

primary

#556EBD

secondary

#CDC2A1

accent

#B554D4

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #556EBD

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

Preview Lab → · Contrast checker → · Palette generator →