#556AB1#556AB1

#556AB1 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 54.1% C 0.114 H 269.8°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#556AB1
RGB	rgb(85, 106, 177)
HSL	hsl(226, 37%, 51%)
HSV	hsv(226, 52%, 69%)
CMYK	cmyk(52%, 40.1%, 0%, 30.6%)
CIE-LAB	lab(46.19, 12.71, -40.27)
CIE-LCH	lch(46.19, 42.23, 287.52°)
OKLab	oklab(54.07% -0.0003 -0.114)
OKLCH	oklch(54.07% 0.114 269.8)
XYZ	xyz(16.8336, 15.4126, 43.6743)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AB1 #B19C55

analogous

#5598B1 #556AB1 #6E55B1

triadic

#556AB1 #B1556A #6AB155

tetradic

#556AB1 #B15598 #B19C55 #55B16E

square

#556AB1 #B15598 #B19C55 #55B16E

split-complementary

#556AB1 #B16E55 #98B155

monochromatic

#2C3860 #3F508A #556AB1 #7F8FC4 #A9B4D7

Accessibility & contrast

On white

5.14

#556AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#556AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AB1

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AB1	#FFFFFF	#000000	##FFFFFF
##556AB1	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#446AAF

Tritanopia (blue-blind)

#2B7985

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #556ab1;
/* rgb */ color: rgb(85, 106, 177);
/* oklch */ color: oklch(54.1% 0.114 269.8);

Tailwind

colors: {
  custom: {
    50: '#8b94c8',
    500: '#556ab1',
    950: '#000000',
  },
}

SCSS

$custom: #556ab1;
$custom-light: #8b94c8;
$custom-dark: #000000;

JSON

{
  "hex": "#556ab1",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 177
  },
  "hsl": {
    "h": 226.304,
    "s": 37.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5407,
    "c": 0.114,
    "h": 269.8
  },
  "luminance": 0.15414
}

Semantic roles & 50–950 ramp

primary

#556AB1

secondary

#C5BC9D

accent

#B35BCD

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556AB1

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

Preview Lab → · Contrast checker → · Palette generator →