#556CD6#556CD6

#556CD6 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.8% C 0.164 H 271.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#556CD6
RGB	rgb(85, 108, 214)
HSL	hsl(229, 61%, 59%)
HSV	hsv(229, 60%, 84%)
CMYK	cmyk(60.3%, 49.5%, 0%, 16.1%)
CIE-LAB	lab(48.90, 23.71, -57.26)
CIE-LCH	lch(48.90, 61.97, 292.49°)
OKLab	oklab(56.83% 0.0032 -0.1638)
OKLCH	oklch(56.83% 0.164 271.1)
XYZ	xyz(21.2424, 17.5097, 65.8656)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CD6 #D6BF55

analogous

#55ACD6 #556CD6 #7E55D6

triadic

#556CD6 #D6556C #6CD655

tetradic

#556CD6 #D655AC #D6BF55 #55D67E

square

#556CD6 #D655AC #D6BF55 #55D67E

split-complementary

#556CD6 #D67E55 #ACD655

monochromatic

#22368E #2E48C0 #556CD6 #8697E2 #B8C1EE

Accessibility & contrast

On white

4.66

#556CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#556CD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556CD6

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CD6	#FFFFFF	#000000	##FFFFFF
##556CD6	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347ADA

Deuteranopia (green-blind)

#186FD4

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556cd6;
/* rgb */ color: rgb(85, 108, 214);
/* oklch */ color: oklch(56.8% 0.164 271.1);

Tailwind

colors: {
  custom: {
    50: '#9095e3',
    500: '#556cd6',
    950: '#000000',
  },
}

SCSS

$custom: #556cd6;
$custom-light: #9095e3;
$custom-dark: #000000;

JSON

{
  "hex": "#556cd6",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 214
  },
  "hsl": {
    "h": 229.302,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56832,
    "c": 0.16388,
    "h": 271.1
  },
  "luminance": 0.17511
}

Semantic roles & 50–950 ramp

primary

#556CD6

secondary

#DDD4AA

accent

#C844E4

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D15

muted

#7E7E84

Preview Lab

Preview with #556CD6

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

Preview Lab → · Contrast checker → · Palette generator →