#556BCE#556BCE

#556BCE is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.1% C 0.154 H 271.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#556BCE
RGB	rgb(85, 107, 206)
HSL	hsl(229, 55%, 57%)
HSV	hsv(229, 59%, 81%)
CMYK	cmyk(58.7%, 48.1%, 0%, 19.2%)
CIE-LAB	lab(48.14, 21.65, -53.92)
CIE-LCH	lch(48.14, 58.10, 291.87°)
OKLab	oklab(56.09% 0.0033 -0.154)
OKLCH	oklch(56.09% 0.154 271.2)
XYZ	xyz(20.1409, 16.9013, 60.5815)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BCE #CEB855

analogous

#55A8CE #556BCE #7C55CE

triadic

#556BCE #CE556B #6BCE55

tetradic

#556BCE #CE55A8 #CEB855 #55CE7C

square

#556BCE #CE55A8 #CEB855 #55CE7C

split-complementary

#556BCE #CE7C55 #A8CE55

monochromatic

#263783 #334BB2 #556BCE #8594DC #B4BEE9

Accessibility & contrast

On white

4.79

#556BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#556BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BCE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BCE	#FFFFFF	#000000	##FFFFFF
##556BCE	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A78D2

Deuteranopia (green-blind)

#266DCC

Tritanopia (blue-blind)

#008193

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #556bce;
/* rgb */ color: rgb(85, 107, 206);
/* oklch */ color: oklch(56.1% 0.154 271.2);

Tailwind

colors: {
  custom: {
    50: '#8f95dd',
    500: '#556bce',
    950: '#000000',
  },
}

SCSS

$custom: #556bce;
$custom-light: #8f95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#556bce",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 206
  },
  "hsl": {
    "h": 229.091,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56095,
    "c": 0.15408,
    "h": 271.2
  },
  "luminance": 0.16903
}

Semantic roles & 50–950 ramp

primary

#556BCE

secondary

#D8CFA7

accent

#C349DF

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556BCE

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

Preview Lab → · Contrast checker → · Palette generator →