#556DDC#556DDC

#556DDC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.4% C 0.171 H 270.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#556DDC
RGB	rgb(85, 109, 220)
HSL	hsl(229, 66%, 60%)
HSV	hsv(229, 61%, 86%)
CMYK	cmyk(61.4%, 50.5%, 0%, 13.7%)
CIE-LAB	lab(49.54, 25.11, -59.63)
CIE-LCH	lch(49.54, 64.70, 292.83°)
OKLab	oklab(57.44% 0.0028 -0.1708)
OKLCH	oklch(57.44% 0.171 270.9)
XYZ	xyz(22.1289, 18.0340, 70.0110)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DDC #DCC455

analogous

#55B1DC #556DDC #8055DC

triadic

#556DDC #DC556D #6DDC55

tetradic

#556DDC #DC55B1 #DCC455 #55DC80

square

#556DDC #DC55B1 #DCC455 #55DC80

split-complementary

#556DDC #DC8055 #B1DC55

monochromatic

#1F3597 #2A46CA #556DDC #8899E6 #BBC4F1

Accessibility & contrast

On white

4.56

#556DDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#556DDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DDC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DDC	#FFFFFF	#000000	##000000
##556DDC	1.00	4.56	4.61	4.61
#FFFFFF	4.56	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)

#2F7CE0

Deuteranopia (green-blind)

#0670DA

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556ddc;
/* rgb */ color: rgb(85, 109, 220);
/* oklch */ color: oklch(57.4% 0.171 270.9);

Tailwind

colors: {
  custom: {
    50: '#9196e7',
    500: '#556ddc',
    950: '#000000',
  },
}

SCSS

$custom: #556ddc;
$custom-light: #9196e7;
$custom-dark: #000000;

JSON

{
  "hex": "#556ddc",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 220
  },
  "hsl": {
    "h": 229.333,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.5744,
    "c": 0.17083,
    "h": 270.9
  },
  "luminance": 0.18036
}

Semantic roles & 50–950 ramp

primary

#556DDC

secondary

#E0D7AC

accent

#CB3FE9

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556DDC

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

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