#556FD3#556FD3

#556FD3 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.156 H 269.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556FD3
RGB	rgb(85, 111, 211)
HSL	hsl(228, 59%, 58%)
HSV	hsv(228, 60%, 83%)
CMYK	cmyk(59.7%, 47.4%, 0%, 17.3%)
CIE-LAB	lab(49.50, 20.84, -54.58)
CIE-LCH	lch(49.50, 58.43, 290.89°)
OKLab	oklab(57.23% -0.0002 -0.1559)
OKLCH	oklch(57.23% 0.156 269.9)
XYZ	xyz(21.1847, 18.0016, 63.9737)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD3 #D3B955

analogous

#55AED3 #556FD3 #7A55D3

triadic

#556FD3 #D3556F #6FD355

tetradic

#556FD3 #D355AE #D3B955 #55D37A

square

#556FD3 #D355AE #D3B955 #55D37A

split-complementary

#556FD3 #D37A55 #AED355

monochromatic

#24398A #304DBB #556FD3 #8698E0 #B6C1EC

Accessibility & contrast

On white

4.56

#556FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#556FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD3	#FFFFFF	#000000	##000000
##556FD3	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7CD7

Deuteranopia (green-blind)

#2870D1

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd3;
/* rgb */ color: rgb(85, 111, 211);
/* oklch */ color: oklch(57.2% 0.156 269.9);

Tailwind

colors: {
  custom: {
    50: '#8f98e1',
    500: '#556fd3',
    950: '#000000',
  },
}

SCSS

$custom: #556fd3;
$custom-light: #8f98e1;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd3",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 211
  },
  "hsl": {
    "h": 227.619,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57229,
    "c": 0.15595,
    "h": 269.9
  },
  "luminance": 0.18003
}

Semantic roles & 50–950 ramp

primary

#556FD3

secondary

#DBD1A9

accent

#C246E2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FD3

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

Preview Lab → · Contrast checker → · Palette generator →