#556BE6#556BE6

#556BE6 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.8% C 0.187 H 271.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#556BE6
RGB	rgb(85, 107, 230)
HSL	hsl(231, 74%, 62%)
HSV	hsv(231, 63%, 90%)
CMYK	cmyk(63%, 53.5%, 0%, 9.8%)
CIE-LAB	lab(49.69, 29.71, -65.03)
CIE-LCH	lch(49.69, 71.50, 294.56°)
OKLab	oklab(57.76% 0.0054 -0.1867)
OKLCH	oklch(57.76% 0.187 271.7)
XYZ	xyz(23.2822, 18.1578, 77.1254)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BE6 #E6D055

analogous

#55B3E6 #556BE6 #8855E6

triadic

#556BE6 #E6556B #6BE655

tetradic

#556BE6 #E655B3 #E6D055 #55E688

square

#556BE6 #E655B3 #E6D055 #55E688

split-complementary

#556BE6 #E68855 #B3E655

monochromatic

#192EA8 #213DDD #556BE6 #8A99EE #C0C8F6

Accessibility & contrast

On white

4.53

#556BE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#556BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556BE6

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BE6	#FFFFFF	#000000	##000000
##556BE6	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#137DEA

Deuteranopia (green-blind)

#0070E3

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556be6;
/* rgb */ color: rgb(85, 107, 230);
/* oklch */ color: oklch(57.8% 0.187 271.7);

Tailwind

colors: {
  custom: {
    50: '#9395ef',
    500: '#556be6',
    950: '#000000',
  },
}

SCSS

$custom: #556be6;
$custom-light: #9395ef;
$custom-dark: #000000;

JSON

{
  "hex": "#556be6",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 230
  },
  "hsl": {
    "h": 230.897,
    "s": 74.359,
    "l": 61.765
  },
  "oklch": {
    "l": 0.57763,
    "c": 0.18681,
    "h": 271.7
  },
  "luminance": 0.1816
}

Semantic roles & 50–950 ramp

primary

#556BE6

secondary

#E6DEB1

accent

#B80FD6

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556BE6

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

Preview Lab → · Contrast checker → · Palette generator →