#556FE5#556FE5

#556FE5 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.181 H 270.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#556FE5
RGB	rgb(85, 111, 229)
HSL	hsl(229, 73%, 62%)
HSV	hsv(229, 63%, 90%)
CMYK	cmyk(62.9%, 51.5%, 0%, 10.2%)
CIE-LAB	lab(50.63, 26.91, -62.94)
CIE-LCH	lch(50.63, 68.45, 293.15°)
OKLab	oklab(58.46% 0.0017 -0.1805)
OKLCH	oklch(58.46% 0.181 270.5)
XYZ	xyz(23.5688, 18.9553, 76.5302)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FE5 #E5CB55

analogous

#55B7E5 #556FE5 #8355E5

triadic

#556FE5 #E5556F #6FE555

tetradic

#556FE5 #E555B7 #E5CB55 #55E583

square

#556FE5 #E555B7 #E5CB55 #55E583

split-complementary

#556FE5 #E58355 #B7E555

monochromatic

#1933A6 #2243DB #556FE5 #8A9CED #BFC9F5

Accessibility & contrast

On white

4.38

#556FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#556FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FE5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FE5	#FFFFFF	#000000	##000000
##556FE5	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#277FE9

Deuteranopia (green-blind)

#0072E3

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556fe5;
/* rgb */ color: rgb(85, 111, 229);
/* oklch */ color: oklch(58.5% 0.181 270.5);

Tailwind

colors: {
  custom: {
    50: '#9298ee',
    500: '#556fe5',
    950: '#000000',
  },
}

SCSS

$custom: #556fe5;
$custom-light: #9298ee;
$custom-dark: #000000;

JSON

{
  "hex": "#556fe5",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 229
  },
  "hsl": {
    "h": 229.167,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58455,
    "c": 0.18053,
    "h": 270.5
  },
  "luminance": 0.18957
}

Semantic roles & 50–950 ramp

primary

#556FE5

secondary

#E6DCB0

accent

#B210D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FE5

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

Preview Lab → · Contrast checker → · Palette generator →