#556BD6#556BD6

#556BD6 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.6% C 0.165 H 271.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#556BD6
RGB	rgb(85, 107, 214)
HSL	hsl(230, 61%, 59%)
HSV	hsv(230, 60%, 84%)
CMYK	cmyk(60.3%, 50%, 0%, 16.1%)
CIE-LAB	lab(48.64, 24.33, -57.68)
CIE-LCH	lch(48.64, 62.60, 292.87°)
OKLab	oklab(56.64% 0.0042 -0.1651)
OKLCH	oklch(56.64% 0.165 271.5)
XYZ	xyz(21.1376, 17.3000, 65.8306)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BD6 #D6C055

analogous

#55ABD6 #556BD6 #7F55D6

triadic

#556BD6 #D6556B #6BD655

tetradic

#556BD6 #D655AB #D6C055 #55D67F

square

#556BD6 #D655AB #D6C055 #55D67F

split-complementary

#556BD6 #D67F55 #ABD655

monochromatic

#22358E #2E47C0 #556BD6 #8696E2 #B8C1EE

Accessibility & contrast

On white

4.71

#556BD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#556BD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BD6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BD6	#FFFFFF	#000000	##FFFFFF
##556BD6	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3179DA

Deuteranopia (green-blind)

#136ED4

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #556bd6;
/* rgb */ color: rgb(85, 107, 214);
/* oklch */ color: oklch(56.6% 0.165 271.5);

Tailwind

colors: {
  custom: {
    50: '#9095e3',
    500: '#556bd6',
    950: '#000000',
  },
}

SCSS

$custom: #556bd6;
$custom-light: #9095e3;
$custom-dark: #000000;

JSON

{
  "hex": "#556bd6",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 214
  },
  "hsl": {
    "h": 229.767,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56635,
    "c": 0.16514,
    "h": 271.5
  },
  "luminance": 0.17302
}

Semantic roles & 50–950 ramp

primary

#556BD6

secondary

#DDD4AA

accent

#C944E4

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D15

muted

#7E7E84

Preview Lab

Preview with #556BD6

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

Preview Lab → · Contrast checker → · Palette generator →