#556AE4#556AE4

#556AE4 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.4% C 0.185 H 271.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556AE4
RGB	rgb(85, 106, 228)
HSL	hsl(231, 73%, 61%)
HSV	hsv(231, 63%, 89%)
CMYK	cmyk(62.7%, 53.5%, 0%, 10.6%)
CIE-LAB	lab(49.30, 29.66, -64.53)
CIE-LCH	lch(49.30, 71.02, 294.68°)
OKLab	oklab(57.43% 0.0062 -0.1853)
OKLCH	oklch(57.43% 0.185 271.9)
XYZ	xyz(22.8993, 17.8388, 75.6202)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AE4 #E4CF55

analogous

#55B2E4 #556AE4 #8855E4

triadic

#556AE4 #E4556A #6AE455

tetradic

#556AE4 #E455B2 #E4CF55 #55E488

square

#556AE4 #E455B2 #E4CF55 #55E488

split-complementary

#556AE4 #E48855 #B2E455

monochromatic

#1A2EA4 #233DD9 #556AE4 #8A98EC #BFC7F5

Accessibility & contrast

On white

4.60

#556AE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#556AE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556AE4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AE4	#FFFFFF	#000000	##FFFFFF
##556AE4	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#137CE8

Deuteranopia (green-blind)

#006FE2

Tritanopia (blue-blind)

#00879D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556ae4;
/* rgb */ color: rgb(85, 106, 228);
/* oklch */ color: oklch(57.4% 0.185 271.9);

Tailwind

colors: {
  custom: {
    50: '#9294ed',
    500: '#556ae4',
    950: '#000000',
  },
}

SCSS

$custom: #556ae4;
$custom-light: #9294ed;
$custom-dark: #000000;

JSON

{
  "hex": "#556ae4",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 228
  },
  "hsl": {
    "h": 231.189,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.57429,
    "c": 0.18537,
    "h": 271.9
  },
  "luminance": 0.17841
}

Semantic roles & 50–950 ramp

primary

#556AE4

secondary

#E5DDB0

accent

#B811D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556AE4

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

Preview Lab → · Contrast checker → · Palette generator →