#556BC8#556BC8

#556BC8 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.146 H 271.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#556BC8
RGB	rgb(85, 107, 200)
HSL	hsl(229, 51%, 56%)
HSV	hsv(229, 58%, 78%)
CMYK	cmyk(57.5%, 46.5%, 0%, 21.6%)
CIE-LAB	lab(47.77, 19.64, -51.06)
CIE-LCH	lch(47.77, 54.71, 291.04°)
OKLab	oklab(55.7% 0.0025 -0.1456)
OKLCH	oklch(55.7% 0.146 271)
XYZ	xyz(19.4259, 16.6153, 56.8158)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BC8 #C8B255

analogous

#55A4C8 #556BC8 #7855C8

triadic

#556BC8 #C8556B #6BC855

tetradic

#556BC8 #C855A4 #C8B255 #55C878

square

#556BC8 #C855A4 #C8B255 #55C878

split-complementary

#556BC8 #C87855 #A4C855

monochromatic

#28387B #374DA9 #556BC8 #8393D7 #B1BCE6

Accessibility & contrast

On white

4.86

#556BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#556BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BC8

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BC8	#FFFFFF	#000000	##FFFFFF
##556BC8	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F77CB

Deuteranopia (green-blind)

#2F6DC6

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #556bc8;
/* rgb */ color: rgb(85, 107, 200);
/* oklch */ color: oklch(55.7% 0.146 271.0);

Tailwind

colors: {
  custom: {
    50: '#8e95d9',
    500: '#556bc8',
    950: '#000000',
  },
}

SCSS

$custom: #556bc8;
$custom-light: #8e95d9;
$custom-dark: #000000;

JSON

{
  "hex": "#556bc8",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 200
  },
  "hsl": {
    "h": 228.522,
    "s": 51.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.55701,
    "c": 0.14567,
    "h": 271
  },
  "luminance": 0.16617
}

Semantic roles & 50–950 ramp

primary

#556BC8

secondary

#D4CBA5

accent

#C04DDB

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556BC8

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

Preview Lab → · Contrast checker → · Palette generator →