#556FA9#556FA9

#556FA9 is a mid, moderate blue. Relative luminance 0.162; OKLCH L 54.7% C 0.096 H 265.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#556FA9
RGB	rgb(85, 111, 169)
HSL	hsl(221, 33%, 50%)
HSV	hsv(221, 50%, 66%)
CMYK	cmyk(49.7%, 34.3%, 0%, 33.7%)
CIE-LAB	lab(47.19, 7.06, -34.02)
CIE-LCH	lch(47.19, 34.75, 281.73°)
OKLab	oklab(54.7% -0.0083 -0.0958)
OKLCH	oklch(54.7% 0.096 265)
XYZ	xyz(16.5898, 16.1637, 39.7741)
Luminance	0.1616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA9 #A98F55

analogous

#5599A9 #556FA9 #6555A9

triadic

#556FA9 #A9556F #6FA955

tetradic

#556FA9 #A95599 #A98F55 #55A965

square

#556FA9 #A95599 #A98F55 #55A965

split-complementary

#556FA9 #A96555 #99A955

monochromatic

#2C3A58 #415480 #556FA9 #7D91BE #A6B4D2

Accessibility & contrast

On white

4.96

#556FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#556FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA9	#FFFFFF	#000000	##FFFFFF
##556FA9	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5974AB

Deuteranopia (green-blind)

#506CA8

Tritanopia (blue-blind)

#317B84

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556fa9;
/* rgb */ color: rgb(85, 111, 169);
/* oklch */ color: oklch(54.7% 0.096 265.0);

Tailwind

colors: {
  custom: {
    50: '#8a98c3',
    500: '#556fa9',
    950: '#000000',
  },
}

SCSS

$custom: #556fa9;
$custom-light: #8a98c3;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa9",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 169
  },
  "hsl": {
    "h": 221.429,
    "s": 33.071,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54704,
    "c": 0.09613,
    "h": 265
  },
  "luminance": 0.16165
}

Semantic roles & 50–950 ramp

primary

#556FA9

secondary

#C0B49A

accent

#A85FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA9

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

Preview Lab → · Contrast checker → · Palette generator →