#556FE9#556FE9

#556FE9 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.7% C 0.186 H 270.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#556FE9
RGB	rgb(85, 111, 233)
HSL	hsl(229, 77%, 62%)
HSV	hsv(229, 64%, 91%)
CMYK	cmyk(63.5%, 52.4%, 0%, 8.6%)
CIE-LAB	lab(50.90, 28.26, -64.76)
CIE-LCH	lch(50.90, 70.65, 293.58°)
OKLab	oklab(58.74% 0.002 -0.1859)
OKLCH	oklch(58.74% 0.186 270.6)
XYZ	xyz(24.1338, 19.1812, 79.5055)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FE9 #E9CF55

analogous

#55B9E9 #556FE9 #8555E9

triadic

#556FE9 #E9556F #6FE955

tetradic

#556FE9 #E955B9 #E9CF55 #55E985

square

#556FE9 #E955B9 #E9CF55 #55E985

split-complementary

#556FE9 #E98555 #B9E955

monochromatic

#1631AD #1F41E2 #556FE9 #8B9DF0 #C1CBF7

Accessibility & contrast

On white

4.34

#556FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#556FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FE9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FE9	#FFFFFF	#000000	##000000
##556FE9	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2080ED

Deuteranopia (green-blind)

#0073E7

Tritanopia (blue-blind)

#008CA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556fe9;
/* rgb */ color: rgb(85, 111, 233);
/* oklch */ color: oklch(58.7% 0.186 270.6);

Tailwind

colors: {
  custom: {
    50: '#9398f1',
    500: '#556fe9',
    950: '#000000',
  },
}

SCSS

$custom: #556fe9;
$custom-light: #9398f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556fe9",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 233
  },
  "hsl": {
    "h": 229.459,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.58738,
    "c": 0.18588,
    "h": 270.6
  },
  "luminance": 0.19183
}

Semantic roles & 50–950 ramp

primary

#556FE9

secondary

#E8DEB2

accent

#B50CD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556FE9

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

Preview Lab → · Contrast checker → · Palette generator →