#556EEA#556EEA

#556EEA is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.6% C 0.188 H 270.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#556EEA
RGB	rgb(85, 110, 234)
HSL	hsl(230, 78%, 63%)
HSV	hsv(230, 64%, 92%)
CMYK	cmyk(63.7%, 53%, 0%, 8.2%)
CIE-LAB	lab(50.71, 29.21, -65.62)
CIE-LCH	lch(50.71, 71.83, 294.00°)
OKLab	oklab(58.62% 0.003 -0.1884)
OKLCH	oklch(58.62% 0.188 270.9)
XYZ	xyz(24.1685, 19.0215, 80.2238)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EEA #EAD155

analogous

#55B8EA #556EEA #8755EA

triadic

#556EEA #EA556E #6EEA55

tetradic

#556EEA #EA55B8 #EAD155 #55EA87

square

#556EEA #EA55B8 #EAD155 #55EA87

split-complementary

#556EEA #EA8755 #B8EA55

monochromatic

#162FAF #1F40E3 #556EEA #8B9CF1 #C2CBF7

Accessibility & contrast

On white

4.37

#556EEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#556EEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EEA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EEA	#FFFFFF	#000000	##000000
##556EEA	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1880EE

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556eea;
/* rgb */ color: rgb(85, 110, 234);
/* oklch */ color: oklch(58.6% 0.188 270.9);

Tailwind

colors: {
  custom: {
    50: '#9397f1',
    500: '#556eea',
    950: '#000000',
  },
}

SCSS

$custom: #556eea;
$custom-light: #9397f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556eea",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 234
  },
  "hsl": {
    "h": 229.933,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.58619,
    "c": 0.18844,
    "h": 270.9
  },
  "luminance": 0.19024
}

Semantic roles & 50–950 ramp

primary

#556EEA

secondary

#E8DFB2

accent

#B80BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556EEA

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

Preview Lab → · Contrast checker → · Palette generator →