#556FA8#556FA8

#556FA8 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.6% C 0.095 H 264.8°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#556FA8
RGB	rgb(85, 111, 168)
HSL	hsl(221, 33%, 50%)
HSV	hsv(221, 49%, 66%)
CMYK	cmyk(49.4%, 33.9%, 0%, 34.1%)
CIE-LAB	lab(47.14, 6.75, -33.52)
CIE-LCH	lch(47.14, 34.19, 281.38°)
OKLab	oklab(54.65% -0.0086 -0.0943)
OKLCH	oklch(54.65% 0.095 264.8)
XYZ	xyz(16.4963, 16.1263, 39.2816)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA8 #A88E55

analogous

#5598A8 #556FA8 #6555A8

triadic

#556FA8 #A8556F #6FA855

tetradic

#556FA8 #A85598 #A88E55 #55A865

square

#556FA8 #A85598 #A88E55 #55A865

split-complementary

#556FA8 #A86555 #98A855

monochromatic

#2C3957 #40547F #556FA8 #7D91BD #A6B3D2

Accessibility & contrast

On white

4.97

#556FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#556FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA8	#FFFFFF	#000000	##FFFFFF
##556FA8	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5974AA

Deuteranopia (green-blind)

#506CA7

Tritanopia (blue-blind)

#327B84

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556fa8;
/* rgb */ color: rgb(85, 111, 168);
/* oklch */ color: oklch(54.6% 0.095 264.8);

Tailwind

colors: {
  custom: {
    50: '#8a98c2',
    500: '#556fa8',
    950: '#000000',
  },
}

SCSS

$custom: #556fa8;
$custom-light: #8a98c2;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa8",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 168
  },
  "hsl": {
    "h": 221.205,
    "s": 32.806,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5465,
    "c": 0.09468,
    "h": 264.8
  },
  "luminance": 0.16127
}

Semantic roles & 50–950 ramp

primary

#556FA8

secondary

#BFB399

accent

#A85FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA8

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

Preview Lab → · Contrast checker → · Palette generator →