#556FA7#556FA7

#556FA7 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.6% C 0.093 H 264.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#556FA7
RGB	rgb(85, 111, 167)
HSL	hsl(221, 33%, 49%)
HSV	hsv(221, 49%, 65%)
CMYK	cmyk(49.1%, 33.5%, 0%, 34.5%)
CIE-LAB	lab(47.09, 6.43, -33.01)
CIE-LCH	lch(47.09, 33.63, 281.03°)
OKLab	oklab(54.6% -0.0089 -0.0928)
OKLCH	oklch(54.6% 0.093 264.5)
XYZ	xyz(16.4035, 16.0891, 38.7929)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FA7 #A78D55

analogous

#5598A7 #556FA7 #6455A7

triadic

#556FA7 #A7556F #6FA755

tetradic

#556FA7 #A75598 #A78D55 #55A764

square

#556FA7 #A75598 #A78D55 #55A764

split-complementary

#556FA7 #A76455 #98A755

monochromatic

#2C3956 #40547E #556FA7 #7D91BD #A5B3D1

Accessibility & contrast

On white

4.98

#556FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#556FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FA7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FA7	#FFFFFF	#000000	##FFFFFF
##556FA7	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)

#5A74A9

Deuteranopia (green-blind)

#516CA6

Tritanopia (blue-blind)

#337B83

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556fa7;
/* rgb */ color: rgb(85, 111, 167);
/* oklch */ color: oklch(54.6% 0.093 264.5);

Tailwind

colors: {
  custom: {
    50: '#8998c1',
    500: '#556fa7',
    950: '#000000',
  },
}

SCSS

$custom: #556fa7;
$custom-light: #8998c1;
$custom-dark: #000000;

JSON

{
  "hex": "#556fa7",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 167
  },
  "hsl": {
    "h": 220.976,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54597,
    "c": 0.09323,
    "h": 264.5
  },
  "luminance": 0.1609
}

Semantic roles & 50–950 ramp

primary

#556FA7

secondary

#BFB399

accent

#A75FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556FA7

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

Preview Lab → · Contrast checker → · Palette generator →