#556BDE#556BDE

#556BDE is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.2% C 0.176 H 271.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#556BDE
RGB	rgb(85, 107, 222)
HSL	hsl(230, 67%, 60%)
HSV	hsv(230, 62%, 87%)
CMYK	cmyk(61.7%, 51.8%, 0%, 12.9%)
CIE-LAB	lab(49.15, 27.02, -61.38)
CIE-LCH	lch(49.15, 67.06, 293.76°)
OKLab	oklab(57.19% 0.0049 -0.176)
OKLCH	oklch(57.19% 0.176 271.6)
XYZ	xyz(22.1844, 17.7187, 71.3441)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BDE #DEC855

analogous

#55AFDE #556BDE #8355DE

triadic

#556BDE #DE556B #6BDE55

tetradic

#556BDE #DE55AF #DEC855 #55DE83

square

#556BDE #DE55AF #DEC855 #55DE83

split-complementary

#556BDE #DE8355 #AFDE55

monochromatic

#1E329B #2843CE #556BDE #8898E8 #BCC4F2

Accessibility & contrast

On white

4.62

#556BDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#556BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556BDE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BDE	#FFFFFF	#000000	##FFFFFF
##556BDE	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#267BE2

Deuteranopia (green-blind)

#006FDC

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556bde;
/* rgb */ color: rgb(85, 107, 222);
/* oklch */ color: oklch(57.2% 0.176 271.6);

Tailwind

colors: {
  custom: {
    50: '#9195e9',
    500: '#556bde',
    950: '#000000',
  },
}

SCSS

$custom: #556bde;
$custom-light: #9195e9;
$custom-dark: #000000;

JSON

{
  "hex": "#556bde",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 222
  },
  "hsl": {
    "h": 230.365,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57191,
    "c": 0.17606,
    "h": 271.6
  },
  "luminance": 0.17721
}

Semantic roles & 50–950 ramp

primary

#556BDE

secondary

#E2D9AD

accent

#B216CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556BDE

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

Preview Lab → · Contrast checker → · Palette generator →