#556AB3#556AB3

#556AB3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 54.2% C 0.117 H 270.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#556AB3
RGB	rgb(85, 106, 179)
HSL	hsl(227, 38%, 52%)
HSV	hsv(227, 53%, 70%)
CMYK	cmyk(52.5%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(46.30, 13.36, -41.26)
CIE-LCH	lch(46.30, 43.37, 287.94°)
OKLab	oklab(54.19% 0.0001 -0.1169)
OKLCH	oklch(54.19% 0.117 270)
XYZ	xyz(17.0344, 15.4929, 44.7319)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AB3 #B39E55

analogous

#5599B3 #556AB3 #6F55B3

triadic

#556AB3 #B3556A #6AB355

tetradic

#556AB3 #B35599 #B39E55 #55B36F

square

#556AB3 #B35599 #B39E55 #55B36F

split-complementary

#556AB3 #B36F55 #99B355

monochromatic

#2C3862 #3F508C #556AB3 #7F8FC6 #AAB4D9

Accessibility & contrast

On white

5.12

#556AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#556AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556AB3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AB3	#FFFFFF	#000000	##FFFFFF
##556AB3	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C72B6

Deuteranopia (green-blind)

#426AB1

Tritanopia (blue-blind)

#297A86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #556ab3;
/* rgb */ color: rgb(85, 106, 179);
/* oklch */ color: oklch(54.2% 0.117 270.0);

Tailwind

colors: {
  custom: {
    50: '#8b94ca',
    500: '#556ab3',
    950: '#000000',
  },
}

SCSS

$custom: #556ab3;
$custom-light: #8b94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#556ab3",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 226.596,
    "s": 38.211,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54188,
    "c": 0.11691,
    "h": 270
  },
  "luminance": 0.15494
}

Semantic roles & 50–950 ramp

primary

#556AB3

secondary

#C7BD9D

accent

#B45ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556AB3

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

Preview Lab → · Contrast checker → · Palette generator →