#556BB6#556BB6

#556BB6 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.6% C 0.120 H 269.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#556BB6
RGB	rgb(85, 107, 182)
HSL	hsl(226, 40%, 52%)
HSV	hsv(226, 53%, 71%)
CMYK	cmyk(53.3%, 41.2%, 0%, 28.6%)
CIE-LAB	lab(46.74, 13.71, -42.31)
CIE-LCH	lch(46.74, 44.48, 287.96°)
OKLab	oklab(54.58% -0.0005 -0.12)
OKLCH	oklch(54.58% 0.12 269.8)
XYZ	xyz(17.4447, 15.8229, 46.3818)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BB6 #B6A055

analogous

#559BB6 #556BB6 #7055B6

triadic

#556BB6 #B6556B #6BB655

tetradic

#556BB6 #B6559B #B6A055 #55B670

square

#556BB6 #B6559B #B6A055 #55B670

split-complementary

#556BB6 #B67055 #9BB655

monochromatic

#2B3965 #3E5090 #556BB6 #8090C8 #ABB6DB

Accessibility & contrast

On white

5.04

#556BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#556BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BB6

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BB6	#FFFFFF	#000000	##FFFFFF
##556BB6	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C73B9

Deuteranopia (green-blind)

#416BB4

Tritanopia (blue-blind)

#267B88

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556bb6;
/* rgb */ color: rgb(85, 107, 182);
/* oklch */ color: oklch(54.6% 0.120 269.8);

Tailwind

colors: {
  custom: {
    50: '#8b95cc',
    500: '#556bb6',
    950: '#000000',
  },
}

SCSS

$custom: #556bb6;
$custom-light: #8b95cc;
$custom-dark: #000000;

JSON

{
  "hex": "#556bb6",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 182
  },
  "hsl": {
    "h": 226.392,
    "s": 39.918,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54579,
    "c": 0.11997,
    "h": 269.8
  },
  "luminance": 0.15824
}

Semantic roles & 50–950 ramp

primary

#556BB6

secondary

#C9BF9E

accent

#B558D0

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556BB6

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

Preview Lab → · Contrast checker → · Palette generator →