#556ADD#556ADD

#556ADD is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.9% C 0.176 H 271.9°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#556ADD
RGB	rgb(85, 106, 221)
HSL	hsl(231, 67%, 60%)
HSV	hsv(231, 62%, 87%)
CMYK	cmyk(61.5%, 52%, 0%, 13.3%)
CIE-LAB	lab(48.83, 27.30, -61.33)
CIE-LCH	lch(48.83, 67.13, 294.00°)
OKLab	oklab(56.93% 0.0058 -0.1759)
OKLCH	oklch(56.93% 0.176 271.9)
XYZ	xyz(21.9471, 17.4580, 70.6058)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556ADD #DDC855

analogous

#55AEDD #556ADD #8455DD

triadic

#556ADD #DD556A #6ADD55

tetradic

#556ADD #DD55AE #DDC855 #55DD84

square

#556ADD #DD55AE #DDC855 #55DD84

split-complementary

#556ADD #DD8455 #AEDD55

monochromatic

#1F3299 #2942CC #556ADD #8897E7 #BBC3F1

Accessibility & contrast

On white

4.67

#556ADD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#556ADD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556ADD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556ADD	#FFFFFF	#000000	##FFFFFF
##556ADD	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#247AE1

Deuteranopia (green-blind)

#006EDB

Tritanopia (blue-blind)

#008599

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556add;
/* rgb */ color: rgb(85, 106, 221);
/* oklch */ color: oklch(56.9% 0.176 271.9);

Tailwind

colors: {
  custom: {
    50: '#9194e8',
    500: '#556add',
    950: '#000000',
  },
}

SCSS

$custom: #556add;
$custom-light: #9194e8;
$custom-dark: #000000;

JSON

{
  "hex": "#556add",
  "rgb": {
    "r": 85,
    "g": 106,
    "b": 221
  },
  "hsl": {
    "h": 230.735,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.56928,
    "c": 0.17595,
    "h": 271.9
  },
  "luminance": 0.1746
}

Semantic roles & 50–950 ramp

primary

#556ADD

secondary

#E1D9AD

accent

#CF3EEA

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556ADD

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

Preview Lab → · Contrast checker → · Palette generator →