#556ADE#556ADE

#556ADE is a mid, vivid blue. Relative luminance 0.175; OKLCH L 57.0% C 0.177 H 271.9°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#556ADE
RGB	rgb(85, 106, 222)
HSL	hsl(231, 67%, 60%)
HSV	hsv(231, 62%, 87%)
CMYK	cmyk(61.7%, 52.3%, 0%, 12.9%)
CIE-LAB	lab(48.90, 27.64, -61.79)
CIE-LCH	lch(48.90, 67.69, 294.10°)
OKLab	oklab(57% 0.0058 -0.1772)
OKLCH	oklch(57% 0.177 271.9)
XYZ	xyz(22.0808, 17.5114, 71.3095)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ADE #DEC955

analogous

#55AEDE #556ADE #8455DE

triadic

#556ADE #DE556A #6ADE55

tetradic

#556ADE #DE55AE #DEC955 #55DE84

square

#556ADE #DE55AE #DEC955 #55DE84

split-complementary

#556ADE #DE8455 #AEDE55

monochromatic

#1E319B #2841CE #556ADE #8897E8 #BCC4F2

Accessibility & contrast

On white

4.66

#556ADE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#556ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556ADE

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ADE	#FFFFFF	#000000	##FFFFFF
##556ADE	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#227AE2

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#00859A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556ade;
/* rgb */ color: rgb(85, 106, 222);
/* oklch */ color: oklch(57.0% 0.177 271.9);

Tailwind

colors: {
  custom: {
    50: '#9194e9',
    500: '#556ade',
    950: '#000000',
  },
}

SCSS

$custom: #556ade;
$custom-light: #9194e9;
$custom-dark: #000000;

JSON

{
  "hex": "#556ade",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 222
  },
  "hsl": {
    "h": 230.803,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.56999,
    "c": 0.17731,
    "h": 271.9
  },
  "luminance": 0.17513
}

Semantic roles & 50–950 ramp

primary

#556ADE

secondary

#E2DAAD

accent

#B316CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556ADE

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

Preview Lab → · Contrast checker → · Palette generator →