#556AC7#556AC7

#556AC7 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.146 H 271.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#556AC7
RGB	rgb(85, 106, 199)
HSL	hsl(229, 50%, 56%)
HSV	hsv(229, 57%, 78%)
CMYK	cmyk(57.3%, 46.7%, 0%, 22%)
CIE-LAB	lab(47.45, 19.93, -51.01)
CIE-LCH	lch(47.45, 54.77, 291.34°)
OKLab	oklab(55.43% 0.0035 -0.1455)
OKLCH	oklch(55.43% 0.146 271.4)
XYZ	xyz(19.2057, 16.3614, 56.1678)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AC7 #C7B255

analogous

#55A3C7 #556AC7 #7955C7

triadic

#556AC7 #C7556A #6AC755

tetradic

#556AC7 #C755A3 #C7B255 #55C779

square

#556AC7 #C755A3 #C7B255 #55C779

split-complementary

#556AC7 #C77955 #A3C755

monochromatic

#28377A #374CA8 #556AC7 #8392D6 #B1BBE5

Accessibility & contrast

On white

4.92

#556AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#556AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AC7

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AC7	#FFFFFF	#000000	##FFFFFF
##556AC7	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E76CA

Deuteranopia (green-blind)

#2E6CC5

Tritanopia (blue-blind)

#037F8F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #556ac7;
/* rgb */ color: rgb(85, 106, 199);
/* oklch */ color: oklch(55.4% 0.146 271.4);

Tailwind

colors: {
  custom: {
    50: '#8e94d8',
    500: '#556ac7',
    950: '#000000',
  },
}

SCSS

$custom: #556ac7;
$custom-light: #8e94d8;
$custom-dark: #000000;

JSON

{
  "hex": "#556ac7",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 199
  },
  "hsl": {
    "h": 228.947,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.55433,
    "c": 0.14555,
    "h": 271.4
  },
  "luminance": 0.16363
}

Semantic roles & 50–950 ramp

primary

#556AC7

secondary

#D4CBA4

accent

#C04EDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #556AC7

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

Preview Lab → · Contrast checker → · Palette generator →