#556DC8#556DC8

#556DC8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.143 H 270.2°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#556DC8
RGB	rgb(85, 109, 200)
HSL	hsl(227, 51%, 56%)
HSV	hsv(227, 58%, 78%)
CMYK	cmyk(57.5%, 45.5%, 0%, 21.6%)
CIE-LAB	lab(48.31, 18.40, -50.21)
CIE-LCH	lch(48.31, 53.47, 290.13°)
OKLab	oklab(56.11% 0.0004 -0.1431)
OKLCH	oklch(56.11% 0.143 270.2)
XYZ	xyz(19.6368, 17.0372, 56.8861)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DC8 #C8B055

analogous

#55A6C8 #556DC8 #7655C8

triadic

#556DC8 #C8556D #6DC855

tetradic

#556DC8 #C855A6 #C8B055 #55C876

square

#556DC8 #C855A6 #C8B055 #55C876

split-complementary

#556DC8 #C87655 #A6C855

monochromatic

#28397B #374FA9 #556DC8 #8395D7 #B1BCE6

Accessibility & contrast

On white

4.76

#556DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#556DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DC8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DC8	#FFFFFF	#000000	##FFFFFF
##556DC8	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4378CB

Deuteranopia (green-blind)

#336EC6

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556dc8;
/* rgb */ color: rgb(85, 109, 200);
/* oklch */ color: oklch(56.1% 0.143 270.2);

Tailwind

colors: {
  custom: {
    50: '#8e96d9',
    500: '#556dc8',
    950: '#000000',
  },
}

SCSS

$custom: #556dc8;
$custom-light: #8e96d9;
$custom-dark: #000000;

JSON

{
  "hex": "#556dc8",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 200
  },
  "hsl": {
    "h": 227.478,
    "s": 51.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56109,
    "c": 0.14311,
    "h": 270.2
  },
  "luminance": 0.17039
}

Semantic roles & 50–950 ramp

primary

#556DC8

secondary

#D4CAA5

accent

#BD4DDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556DC8

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

Preview Lab → · Contrast checker → · Palette generator →