#556EE2#556EE2

#556EE2 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.1% C 0.178 H 270.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#556EE2
RGB	rgb(85, 110, 226)
HSL	hsl(229, 71%, 61%)
HSV	hsv(229, 62%, 89%)
CMYK	cmyk(62.4%, 51.3%, 0%, 11.4%)
CIE-LAB	lab(50.18, 26.51, -61.98)
CIE-LCH	lch(50.18, 67.41, 293.16°)
OKLab	oklab(58.05% 0.0024 -0.1777)
OKLCH	oklch(58.05% 0.178 270.8)
XYZ	xyz(23.0451, 18.5722, 74.3071)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE2 #E2C955

analogous

#55B4E2 #556EE2 #8255E2

triadic

#556EE2 #E2556E #6EE255

tetradic

#556EE2 #E255B4 #E2C955 #55E282

square

#556EE2 #E255B4 #E2C955 #55E282

split-complementary

#556EE2 #E28255 #B4E255

monochromatic

#1B33A1 #2444D5 #556EE2 #899BEB #BEC7F4

Accessibility & contrast

On white

4.45

#556EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#556EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE2

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE2	#FFFFFF	#000000	##000000
##556EE2	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#297EE6

Deuteranopia (green-blind)

#0071E0

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556ee2;
/* rgb */ color: rgb(85, 110, 226);
/* oklch */ color: oklch(58.1% 0.178 270.8);

Tailwind

colors: {
  custom: {
    50: '#9297ec',
    500: '#556ee2',
    950: '#000000',
  },
}

SCSS

$custom: #556ee2;
$custom-light: #9297ec;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee2",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 226
  },
  "hsl": {
    "h": 229.362,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58052,
    "c": 0.17773,
    "h": 270.8
  },
  "luminance": 0.18574
}

Semantic roles & 50–950 ramp

primary

#556EE2

secondary

#E4DBAF

accent

#B113D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EE2

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

Preview Lab → · Contrast checker → · Palette generator →