#556EE6#556EE6

#556EE6 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.3% C 0.183 H 270.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#556EE6
RGB	rgb(85, 110, 230)
HSL	hsl(230, 74%, 62%)
HSV	hsv(230, 63%, 90%)
CMYK	cmyk(63%, 52.2%, 0%, 9.8%)
CIE-LAB	lab(50.45, 27.86, -63.80)
CIE-LCH	lch(50.45, 69.62, 293.59°)
OKLab	oklab(58.33% 0.0027 -0.1831)
OKLCH	oklch(58.33% 0.183 270.8)
XYZ	xyz(23.6004, 18.7943, 77.2315)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE6 #E6CD55

analogous

#55B7E6 #556EE6 #8555E6

triadic

#556EE6 #E6556E #6EE655

tetradic

#556EE6 #E655B7 #E6CD55 #55E685

square

#556EE6 #E655B7 #E6CD55 #55E685

split-complementary

#556EE6 #E68555 #B7E655

monochromatic

#1931A8 #2141DD #556EE6 #8A9CEE #C0C9F6

Accessibility & contrast

On white

4.41

#556EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#556EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE6

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE6	#FFFFFF	#000000	##000000
##556EE6	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)

#227FEA

Deuteranopia (green-blind)

#0072E4

Tritanopia (blue-blind)

#008A9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556ee6;
/* rgb */ color: rgb(85, 110, 230);
/* oklch */ color: oklch(58.3% 0.183 270.8);

Tailwind

colors: {
  custom: {
    50: '#9397ef',
    500: '#556ee6',
    950: '#000000',
  },
}

SCSS

$custom: #556ee6;
$custom-light: #9397ef;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee6",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 230
  },
  "hsl": {
    "h": 229.655,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.58334,
    "c": 0.1831,
    "h": 270.8
  },
  "luminance": 0.18796
}

Semantic roles & 50–950 ramp

primary

#556EE6

secondary

#E6DDB1

accent

#B40FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EE6

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

Preview Lab → · Contrast checker → · Palette generator →