#556BE2#556BE2

#556BE2 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.5% C 0.181 H 271.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#556BE2
RGB	rgb(85, 107, 226)
HSL	hsl(231, 71%, 61%)
HSV	hsv(231, 62%, 89%)
CMYK	cmyk(62.4%, 52.7%, 0%, 11.4%)
CIE-LAB	lab(49.42, 28.37, -63.21)
CIE-LCH	lch(49.42, 69.28, 294.17°)
OKLab	oklab(57.48% 0.0052 -0.1814)
OKLCH	oklch(57.48% 0.181 271.6)
XYZ	xyz(22.7269, 17.9357, 74.2010)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BE2 #E2CC55

analogous

#55B1E2 #556BE2 #8555E2

triadic

#556BE2 #E2556B #6BE255

tetradic

#556BE2 #E255B1 #E2CC55 #55E285

square

#556BE2 #E255B1 #E2CC55 #55E285

split-complementary

#556BE2 #E28555 #B1E255

monochromatic

#1B30A1 #2440D5 #556BE2 #8999EB #BEC6F4

Accessibility & contrast

On white

4.58

#556BE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#556BE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556BE2

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BE2	#FFFFFF	#000000	##000000
##556BE2	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7CE6

Deuteranopia (green-blind)

#006FE0

Tritanopia (blue-blind)

#00879C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556be2;
/* rgb */ color: rgb(85, 107, 226);
/* oklch */ color: oklch(57.5% 0.181 271.6);

Tailwind

colors: {
  custom: {
    50: '#9295ec',
    500: '#556be2',
    950: '#000000',
  },
}

SCSS

$custom: #556be2;
$custom-light: #9295ec;
$custom-dark: #000000;

JSON

{
  "hex": "#556be2",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 226
  },
  "hsl": {
    "h": 230.638,
    "s": 70.854,
    "l": 60.98
  },
  "oklch": {
    "l": 0.57475,
    "c": 0.18145,
    "h": 271.6
  },
  "luminance": 0.17938
}

Semantic roles & 50–950 ramp

primary

#556BE2

secondary

#E4DCAF

accent

#B513D3

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556BE2

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

Preview Lab → · Contrast checker → · Palette generator →