#556DEA#556DEA

#556DEA is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.4% C 0.190 H 271.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#556DEA
RGB	rgb(85, 109, 234)
HSL	hsl(230, 78%, 63%)
HSV	hsv(230, 64%, 92%)
CMYK	cmyk(63.7%, 53.4%, 0%, 8.2%)
CIE-LAB	lab(50.46, 29.83, -66.02)
CIE-LCH	lch(50.46, 72.45, 294.31°)
OKLab	oklab(58.43% 0.0039 -0.1896)
OKLCH	oklch(58.43% 0.19 271.2)
XYZ	xyz(24.0612, 18.8070, 80.1881)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DEA #EAD255

analogous

#55B7EA #556DEA #8855EA

triadic

#556DEA #EA556D #6DEA55

tetradic

#556DEA #EA55B7 #EAD255 #55EA88

square

#556DEA #EA55B7 #EAD255 #55EA88

split-complementary

#556DEA #EA8855 #B7EA55

monochromatic

#162EAF #1F3EE3 #556DEA #8B9CF1 #C2CBF7

Accessibility & contrast

On white

4.41

#556DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#556DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DEA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DEA	#FFFFFF	#000000	##000000
##556DEA	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#127FEE

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556dea;
/* rgb */ color: rgb(85, 109, 234);
/* oklch */ color: oklch(58.4% 0.190 271.2);

Tailwind

colors: {
  custom: {
    50: '#9396f1',
    500: '#556dea',
    950: '#000000',
  },
}

SCSS

$custom: #556dea;
$custom-light: #9396f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556dea",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 234
  },
  "hsl": {
    "h": 230.336,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.5843,
    "c": 0.18967,
    "h": 271.2
  },
  "luminance": 0.18809
}

Semantic roles & 50–950 ramp

primary

#556DEA

secondary

#E8E0B2

accent

#B90BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556DEA

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

Preview Lab → · Contrast checker → · Palette generator →