#556AE1#556AE1

#556AE1 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.2% C 0.181 H 271.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#556AE1
RGB	rgb(85, 106, 225)
HSL	hsl(231, 70%, 61%)
HSV	hsv(231, 62%, 88%)
CMYK	cmyk(62.2%, 52.9%, 0%, 11.8%)
CIE-LAB	lab(49.10, 28.65, -63.16)
CIE-LCH	lch(49.10, 69.36, 294.40°)
OKLab	oklab(57.21% 0.006 -0.1812)
OKLCH	oklch(57.21% 0.181 271.9)
XYZ	xyz(22.4864, 17.6737, 73.4459)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556AE1 #E1CC55

analogous

#55B0E1 #556AE1 #8655E1

triadic

#556AE1 #E1556A #6AE155

tetradic

#556AE1 #E155B0 #E1CC55 #55E186

square

#556AE1 #E155B0 #E1CC55 #55E186

split-complementary

#556AE1 #E18655 #B0E155

monochromatic

#1C309F #253FD3 #556AE1 #8998EA #BDC5F3

Accessibility & contrast

On white

4.63

#556AE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#556AE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556AE1

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556AE1	#FFFFFF	#000000	##FFFFFF
##556AE1	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7BE5

Deuteranopia (green-blind)

#006FDF

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556ae1;
/* rgb */ color: rgb(85, 106, 225);
/* oklch */ color: oklch(57.2% 0.181 271.9);

Tailwind

colors: {
  custom: {
    50: '#9294eb',
    500: '#556ae1',
    950: '#000000',
  },
}

SCSS

$custom: #556ae1;
$custom-light: #9294eb;
$custom-dark: #000000;

JSON

{
  "hex": "#556ae1",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 225
  },
  "hsl": {
    "h": 231,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57213,
    "c": 0.18135,
    "h": 271.9
  },
  "luminance": 0.17676
}

Semantic roles & 50–950 ramp

primary

#556AE1

secondary

#E3DBAE

accent

#B514D2

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556AE1

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

Preview Lab → · Contrast checker → · Palette generator →