#556FD4#556FD4

#556FD4 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.3% C 0.157 H 270.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#556FD4
RGB	rgb(85, 111, 212)
HSL	hsl(228, 60%, 58%)
HSV	hsv(228, 60%, 83%)
CMYK	cmyk(59.9%, 47.6%, 0%, 16.9%)
CIE-LAB	lab(49.56, 21.17, -55.05)
CIE-LCH	lch(49.56, 58.98, 291.03°)
OKLab	oklab(57.29% 0 -0.1573)
OKLCH	oklch(57.29% 0.157 270)
XYZ	xyz(21.3104, 18.0519, 64.6359)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD4 #D4BA55

analogous

#55AED4 #556FD4 #7B55D4

triadic

#556FD4 #D4556F #6FD455

tetradic

#556FD4 #D455AE #D4BA55 #55D47B

square

#556FD4 #D455AE #D4BA55 #55D47B

split-complementary

#556FD4 #D47B55 #AED455

monochromatic

#23398B #304CBC #556FD4 #8698E0 #B7C2ED

Accessibility & contrast

On white

4.55

#556FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#556FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD4

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD4	#FFFFFF	#000000	##000000
##556FD4	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7CD8

Deuteranopia (green-blind)

#2770D2

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd4;
/* rgb */ color: rgb(85, 111, 212);
/* oklch */ color: oklch(57.3% 0.157 270.0);

Tailwind

colors: {
  custom: {
    50: '#9098e2',
    500: '#556fd4',
    950: '#000000',
  },
}

SCSS

$custom: #556fd4;
$custom-light: #9098e2;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd4",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 212
  },
  "hsl": {
    "h": 227.717,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57295,
    "c": 0.15733,
    "h": 270
  },
  "luminance": 0.18054
}

Semantic roles & 50–950 ramp

primary

#556FD4

secondary

#DCD1A9

accent

#C245E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FD4

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

Preview Lab → · Contrast checker → · Palette generator →