#556EE5#556EE5

#556EE5 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.3% C 0.182 H 270.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#556EE5
RGB	rgb(85, 110, 229)
HSL	hsl(230, 73%, 62%)
HSV	hsv(230, 63%, 90%)
CMYK	cmyk(62.9%, 52%, 0%, 10.2%)
CIE-LAB	lab(50.38, 27.52, -63.35)
CIE-LCH	lch(50.38, 69.07, 293.48°)
OKLab	oklab(58.26% 0.0026 -0.1817)
OKLCH	oklch(58.26% 0.182 270.8)
XYZ	xyz(23.4603, 18.7383, 76.4941)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE5 #E5CC55

analogous

#55B6E5 #556EE5 #8455E5

triadic

#556EE5 #E5556E #6EE555

tetradic

#556EE5 #E555B6 #E5CC55 #55E584

square

#556EE5 #E555B6 #E5CC55 #55E584

split-complementary

#556EE5 #E58455 #B6E555

monochromatic

#1932A6 #2242DB #556EE5 #8A9BED #BFC9F5

Accessibility & contrast

On white

4.42

#556EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#556EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE5	#FFFFFF	#000000	##000000
##556EE5	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247FE9

Deuteranopia (green-blind)

#0072E3

Tritanopia (blue-blind)

#008A9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556ee5;
/* rgb */ color: rgb(85, 110, 229);
/* oklch */ color: oklch(58.3% 0.182 270.8);

Tailwind

colors: {
  custom: {
    50: '#9297ee',
    500: '#556ee5',
    950: '#000000',
  },
}

SCSS

$custom: #556ee5;
$custom-light: #9297ee;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee5",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 229
  },
  "hsl": {
    "h": 229.583,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58263,
    "c": 0.18176,
    "h": 270.8
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary

#556EE5

secondary

#E6DCB0

accent

#B310D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EE5

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

Preview Lab → · Contrast checker → · Palette generator →