#556ABB#556ABB

#556ABB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.7% C 0.128 H 270.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#556ABB
RGB	rgb(85, 106, 187)
HSL	hsl(228, 43%, 53%)
HSV	hsv(228, 55%, 73%)
CMYK	cmyk(54.5%, 43.3%, 0%, 26.7%)
CIE-LAB	lab(46.75, 15.97, -45.21)
CIE-LCH	lch(46.75, 47.94, 289.46°)
OKLab	oklab(54.67% 0.0016 -0.1285)
OKLCH	oklch(54.67% 0.128 270.7)
XYZ	xyz(17.8670, 15.8260, 49.1173)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ABB #BBA655

analogous

#559DBB #556ABB #7355BB

triadic

#556ABB #BB556A #6ABB55

tetradic

#556ABB #BB559D #BBA655 #55BB73

square

#556ABB #BB559D #BBA655 #55BB73

split-complementary

#556ABB #BB7355 #9DBB55

monochromatic

#2B386B #3C4F97 #556ABB #8190CC #ACB7DE

Accessibility & contrast

On white

5.04

#556ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#556ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556ABB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ABB	#FFFFFF	#000000	##FFFFFF
##556ABB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4773BE

Deuteranopia (green-blind)

#3B6BB9

Tritanopia (blue-blind)

#207C89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556abb;
/* rgb */ color: rgb(85, 106, 187);
/* oklch */ color: oklch(54.7% 0.128 270.7);

Tailwind

colors: {
  custom: {
    50: '#8c94d0',
    500: '#556abb',
    950: '#000000',
  },
}

SCSS

$custom: #556abb;
$custom-light: #8c94d0;
$custom-dark: #000000;

JSON

{
  "hex": "#556abb",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 187
  },
  "hsl": {
    "h": 227.647,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.54672,
    "c": 0.12847,
    "h": 270.7
  },
  "luminance": 0.15827
}

Semantic roles & 50–950 ramp

primary

#556ABB

secondary

#CCC3A0

accent

#B955D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0D0D14

muted

#7D7E82

Preview Lab

Preview with #556ABB

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

Preview Lab → · Contrast checker → · Palette generator →