#556DBF#556DBF

#556DBF is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.130 H 269.5°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#556DBF
RGB	rgb(85, 109, 191)
HSL	hsl(226, 45%, 54%)
HSV	hsv(226, 55%, 75%)
CMYK	cmyk(55.5%, 42.9%, 0%, 25.1%)
CIE-LAB	lab(47.79, 15.42, -45.86)
CIE-LCH	lch(47.79, 48.38, 288.58°)
OKLab	oklab(55.55% -0.0011 -0.1303)
OKLCH	oklch(55.55% 0.13 269.5)
XYZ	xyz(18.6158, 16.6288, 51.5088)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DBF #BFA755

analogous

#55A2BF #556DBF #7255BF

triadic

#556DBF #BF556D #6DBF55

tetradic

#556DBF #BF55A2 #BFA755 #55BF72

square

#556DBF #BF55A2 #BFA755 #55BF72

split-complementary

#556DBF #BF7255 #A2BF55

monochromatic

#2A3A70 #3B519C #556DBF #8193D0 #AEB9E0

Accessibility & contrast

On white

4.85

#556DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#556DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DBF

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DBF	#FFFFFF	#000000	##FFFFFF
##556DBF	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#187F8D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #556dbf;
/* rgb */ color: rgb(85, 109, 191);
/* oklch */ color: oklch(55.5% 0.130 269.5);

Tailwind

colors: {
  custom: {
    50: '#8c96d3',
    500: '#556dbf',
    950: '#000000',
  },
}

SCSS

$custom: #556dbf;
$custom-light: #8c96d3;
$custom-dark: #000000;

JSON

{
  "hex": "#556dbf",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 191
  },
  "hsl": {
    "h": 226.415,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55545,
    "c": 0.13034,
    "h": 269.5
  },
  "luminance": 0.1663
}

Semantic roles & 50–950 ramp

primary

#556DBF

secondary

#CEC4A1

accent

#B853D5

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556DBF

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

Preview Lab → · Contrast checker → · Palette generator →