#556ACA#556ACA

#556ACA is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.6% C 0.150 H 271.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#556ACA
RGB	rgb(85, 106, 202)
HSL	hsl(229, 52%, 56%)
HSV	hsv(229, 58%, 79%)
CMYK	cmyk(57.9%, 47.5%, 0%, 20.8%)
CIE-LAB	lab(47.63, 20.93, -52.44)
CIE-LCH	lch(47.63, 56.47, 291.76°)
OKLab	oklab(55.63% 0.0039 -0.1497)
OKLCH	oklch(55.63% 0.15 271.5)
XYZ	xyz(19.5575, 16.5021, 58.0203)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ACA #CAB555

analogous

#55A5CA #556ACA #7B55CA

triadic

#556ACA #CA556A #6ACA55

tetradic

#556ACA #CA55A5 #CAB555 #55CA7B

square

#556ACA #CA55A5 #CAB555 #55CA7B

split-complementary

#556ACA #CA7B55 #A5CA55

monochromatic

#27377D #364BAC #556ACA #8493D9 #B2BCE7

Accessibility & contrast

On white

4.88

#556ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#556ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556ACA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ACA	#FFFFFF	#000000	##FFFFFF
##556ACA	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C76CE

Deuteranopia (green-blind)

#2A6CC8

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #556aca;
/* rgb */ color: rgb(85, 106, 202);
/* oklch */ color: oklch(55.6% 0.150 271.5);

Tailwind

colors: {
  custom: {
    50: '#8e94db',
    500: '#556aca',
    950: '#000000',
  },
}

SCSS

$custom: #556aca;
$custom-light: #8e94db;
$custom-dark: #000000;

JSON

{
  "hex": "#556aca",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 202
  },
  "hsl": {
    "h": 229.231,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.55629,
    "c": 0.14977,
    "h": 271.5
  },
  "luminance": 0.16504
}

Semantic roles & 50–950 ramp

primary

#556ACA

secondary

#D5CDA5

accent

#C24CDC

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556ACA

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

Preview Lab → · Contrast checker → · Palette generator →