#556AAA#556AAA

#556AAA is a mid, moderate blue. Relative luminance 0.151; OKLCH L 53.7% C 0.104 H 269.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#556AAA
RGB	rgb(85, 106, 170)
HSL	hsl(225, 33%, 50%)
HSV	hsv(225, 50%, 67%)
CMYK	cmyk(50%, 37.6%, 0%, 33.3%)
CIE-LAB	lab(45.83, 10.47, -36.75)
CIE-LCH	lch(45.83, 38.22, 285.89°)
OKLab	oklab(53.67% -0.0019 -0.1037)
OKLCH	oklch(53.67% 0.104 269)
XYZ	xyz(16.1537, 15.1406, 40.0936)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AAA #AA9555

analogous

#5595AA #556AAA #6A55AA

triadic

#556AAA #AA556A #6AAA55

tetradic

#556AAA #AA5595 #AA9555 #55AA6A

square

#556AAA #AA5595 #AA9555 #55AA6A

split-complementary

#556AAA #AA6A55 #95AA55

monochromatic

#2C3758 #415181 #556AAA #7E8EBE #A7B2D3

Accessibility & contrast

On white

5.21

#556AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#556AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AAA

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AAA	#FFFFFF	#000000	##FFFFFF
##556AAA	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5171AD

Deuteranopia (green-blind)

#4969A9

Tritanopia (blue-blind)

#317882

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #556aaa;
/* rgb */ color: rgb(85, 106, 170);
/* oklch */ color: oklch(53.7% 0.104 269.0);

Tailwind

colors: {
  custom: {
    50: '#8a94c3',
    500: '#556aaa',
    950: '#000000',
  },
}

SCSS

$custom: #556aaa;
$custom-light: #8a94c3;
$custom-dark: #000000;

JSON

{
  "hex": "#556aaa",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 170
  },
  "hsl": {
    "h": 225.176,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.53666,
    "c": 0.10377,
    "h": 269
  },
  "luminance": 0.15142
}

Semantic roles & 50–950 ramp

primary

#556AAA

secondary

#C0B79A

accent

#AF5EC9

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556AAA

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

Preview Lab → · Contrast checker → · Palette generator →