#556FE6#556FE6

#556FE6 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.182 H 270.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#556FE6
RGB	rgb(85, 111, 230)
HSL	hsl(229, 74%, 62%)
HSV	hsv(229, 63%, 90%)
CMYK	cmyk(63%, 51.7%, 0%, 9.8%)
CIE-LAB	lab(50.70, 27.24, -63.39)
CIE-LCH	lch(50.70, 69.00, 293.26°)
OKLab	oklab(58.53% 0.0018 -0.1819)
OKLCH	oklch(58.53% 0.182 270.6)
XYZ	xyz(23.7089, 19.0113, 77.2677)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FE6 #E6CC55

analogous

#55B8E6 #556FE6 #8455E6

triadic

#556FE6 #E6556F #6FE655

tetradic

#556FE6 #E655B8 #E6CC55 #55E684

square

#556FE6 #E655B8 #E6CC55 #55E684

split-complementary

#556FE6 #E68455 #B8E655

monochromatic

#1932A8 #2142DD #556FE6 #8A9CEE #C0C9F6

Accessibility & contrast

On white

4.37

#556FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#556FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FE6

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FE6	#FFFFFF	#000000	##000000
##556FE6	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)

#267FEA

Deuteranopia (green-blind)

#0073E4

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556fe6;
/* rgb */ color: rgb(85, 111, 230);
/* oklch */ color: oklch(58.5% 0.182 270.6);

Tailwind

colors: {
  custom: {
    50: '#9398ef',
    500: '#556fe6',
    950: '#000000',
  },
}

SCSS

$custom: #556fe6;
$custom-light: #9398ef;
$custom-dark: #000000;

JSON

{
  "hex": "#556fe6",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 230
  },
  "hsl": {
    "h": 229.241,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.58526,
    "c": 0.18187,
    "h": 270.6
  },
  "luminance": 0.19013
}

Semantic roles & 50–950 ramp

primary

#556FE6

secondary

#E6DDB1

accent

#B30FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FE6

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

Preview Lab → · Contrast checker → · Palette generator →