#556DE3#556DE3

#556DE3 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.9% C 0.180 H 271.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#556DE3
RGB	rgb(85, 109, 227)
HSL	hsl(230, 72%, 61%)
HSV	hsv(230, 63%, 89%)
CMYK	cmyk(62.6%, 52%, 0%, 11%)
CIE-LAB	lab(49.99, 27.47, -62.85)
CIE-LCH	lch(49.99, 68.59, 293.61°)
OKLab	oklab(57.93% 0.0034 -0.1803)
OKLCH	oklch(57.93% 0.18 271.1)
XYZ	xyz(23.0754, 18.4126, 74.9961)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DE3 #E3CB55

analogous

#55B4E3 #556DE3 #8455E3

triadic

#556DE3 #E3556D #6DE355

tetradic

#556DE3 #E355B4 #E3CB55 #55E384

square

#556DE3 #E355B4 #E3CB55 #55E384

split-complementary

#556DE3 #E38455 #B4E355

monochromatic

#1B32A3 #2342D7 #556DE3 #8A9AEC #BEC7F4

Accessibility & contrast

On white

4.48

#556DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#556DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DE3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DE3	#FFFFFF	#000000	##000000
##556DE3	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247EE7

Deuteranopia (green-blind)

#0071E1

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556de3;
/* rgb */ color: rgb(85, 109, 227);
/* oklch */ color: oklch(57.9% 0.180 271.1);

Tailwind

colors: {
  custom: {
    50: '#9296ec',
    500: '#556de3',
    950: '#000000',
  },
}

SCSS

$custom: #556de3;
$custom-light: #9296ec;
$custom-dark: #000000;

JSON

{
  "hex": "#556de3",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 227
  },
  "hsl": {
    "h": 229.859,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.57929,
    "c": 0.18031,
    "h": 271.1
  },
  "luminance": 0.18415
}

Semantic roles & 50–950 ramp

primary

#556DE3

secondary

#E5DCAF

accent

#B312D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556DE3

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

Preview Lab → · Contrast checker → · Palette generator →