#556FDC#556FDC

#556FDC is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.8% C 0.168 H 270.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#556FDC
RGB	rgb(85, 111, 220)
HSL	hsl(228, 66%, 60%)
HSV	hsv(228, 61%, 86%)
CMYK	cmyk(61.4%, 49.5%, 0%, 13.7%)
CIE-LAB	lab(50.06, 23.87, -58.79)
CIE-LCH	lch(50.06, 63.45, 292.09°)
OKLab	oklab(57.83% 0.0009 -0.1683)
OKLCH	oklch(57.83% 0.168 270.3)
XYZ	xyz(22.3447, 18.4656, 70.0830)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FDC #DCC255

analogous

#55B3DC #556FDC #7E55DC

triadic

#556FDC #DC556F #6FDC55

tetradic

#556FDC #DC55B3 #DCC255 #55DC7E

square

#556FDC #DC55B3 #DCC255 #55DC7E

split-complementary

#556FDC #DC7E55 #B3DC55

monochromatic

#1F3697 #2A49CA #556FDC #889AE6 #BBC5F1

Accessibility & contrast

On white

4.47

#556FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#556FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FDC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FDC	#FFFFFF	#000000	##000000
##556FDC	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347DE0

Deuteranopia (green-blind)

#1471DA

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556fdc;
/* rgb */ color: rgb(85, 111, 220);
/* oklch */ color: oklch(57.8% 0.168 270.3);

Tailwind

colors: {
  custom: {
    50: '#9198e7',
    500: '#556fdc',
    950: '#000000',
  },
}

SCSS

$custom: #556fdc;
$custom-light: #9198e7;
$custom-dark: #000000;

JSON

{
  "hex": "#556fdc",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 220
  },
  "hsl": {
    "h": 228.444,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57832,
    "c": 0.16833,
    "h": 270.3
  },
  "luminance": 0.18467
}

Semantic roles & 50–950 ramp

primary

#556FDC

secondary

#E0D6AC

accent

#C83FE9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FDC

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

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