#556CD8#556CD8

#556CD8 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.0% C 0.167 H 271.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#556CD8
RGB	rgb(85, 108, 216)
HSL	hsl(229, 63%, 59%)
HSV	hsv(229, 61%, 85%)
CMYK	cmyk(60.6%, 50%, 0%, 15.3%)
CIE-LAB	lab(49.02, 24.38, -58.19)
CIE-LCH	lch(49.02, 63.09, 292.73°)
OKLab	oklab(56.97% 0.0034 -0.1666)
OKLCH	oklch(56.97% 0.167 271.2)
XYZ	xyz(21.4994, 17.6125, 67.2190)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CD8 #D8C155

analogous

#55ADD8 #556CD8 #8055D8

triadic

#556CD8 #D8556C #6CD855

tetradic

#556CD8 #D855AD #D8C155 #55D880

square

#556CD8 #D855AD #D8C155 #55D880

split-complementary

#556CD8 #D88055 #ADD855

monochromatic

#213591 #2D47C3 #556CD8 #8797E3 #B9C2EF

Accessibility & contrast

On white

4.64

#556CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#556CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556CD8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CD8	#FFFFFF	#000000	##FFFFFF
##556CD8	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#317BDC

Deuteranopia (green-blind)

#126FD6

Tritanopia (blue-blind)

#008598

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556cd8;
/* rgb */ color: rgb(85, 108, 216);
/* oklch */ color: oklch(57.0% 0.167 271.2);

Tailwind

colors: {
  custom: {
    50: '#9095e5',
    500: '#556cd8',
    950: '#000000',
  },
}

SCSS

$custom: #556cd8;
$custom-light: #9095e5;
$custom-dark: #000000;

JSON

{
  "hex": "#556cd8",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 216
  },
  "hsl": {
    "h": 229.466,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.56969,
    "c": 0.16662,
    "h": 271.2
  },
  "luminance": 0.17614
}

Semantic roles & 50–950 ramp

primary

#556CD8

secondary

#DED5AB

accent

#C942E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CD8

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

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