#556FC8#556FC8

#556FC8 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.141 H 269.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#556FC8
RGB	rgb(85, 111, 200)
HSL	hsl(226, 51%, 56%)
HSV	hsv(226, 58%, 78%)
CMYK	cmyk(57.5%, 44.5%, 0%, 21.6%)
CIE-LAB	lab(48.85, 17.16, -49.35)
CIE-LCH	lch(48.85, 52.24, 289.17°)
OKLab	oklab(56.52% -0.0018 -0.1406)
OKLCH	oklch(56.52% 0.141 269.3)
XYZ	xyz(19.8526, 17.4688, 56.9580)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FC8 #C8AE55

analogous

#55A8C8 #556FC8 #7455C8

triadic

#556FC8 #C8556F #6FC855

tetradic

#556FC8 #C855A8 #C8AE55 #55C874

square

#556FC8 #C855A8 #C8AE55 #55C874

split-complementary

#556FC8 #C87455 #A8C855

monochromatic

#283B7B #3751A9 #556FC8 #8396D7 #B1BDE6

Accessibility & contrast

On white

4.67

#556FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#556FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556FC8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FC8	#FFFFFF	#000000	##FFFFFF
##556FC8	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4779CB

Deuteranopia (green-blind)

#376FC6

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556fc8;
/* rgb */ color: rgb(85, 111, 200);
/* oklch */ color: oklch(56.5% 0.141 269.3);

Tailwind

colors: {
  custom: {
    50: '#8e98d9',
    500: '#556fc8',
    950: '#000000',
  },
}

SCSS

$custom: #556fc8;
$custom-light: #8e98d9;
$custom-dark: #000000;

JSON

{
  "hex": "#556fc8",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 200
  },
  "hsl": {
    "h": 226.435,
    "s": 51.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56521,
    "c": 0.14057,
    "h": 269.3
  },
  "luminance": 0.1747
}

Semantic roles & 50–950 ramp

primary

#556FC8

secondary

#D4C9A5

accent

#BB4DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FC8

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

Preview Lab → · Contrast checker → · Palette generator →