#556EE9#556EE9

#556EE9 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.187 H 270.9°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#556EE9
RGB	rgb(85, 110, 233)
HSL	hsl(230, 77%, 62%)
HSV	hsv(230, 64%, 91%)
CMYK	cmyk(63.5%, 52.8%, 0%, 8.6%)
CIE-LAB	lab(50.65, 28.88, -65.17)
CIE-LCH	lch(50.65, 71.28, 293.90°)
OKLab	oklab(58.55% 0.0029 -0.1871)
OKLCH	oklch(58.55% 0.187 270.9)
XYZ	xyz(24.0253, 18.9642, 79.4694)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE9 #E9D055

analogous

#55B8E9 #556EE9 #8655E9

triadic

#556EE9 #E9556E #6EE955

tetradic

#556EE9 #E955B8 #E9D055 #55E986

square

#556EE9 #E955B8 #E9D055 #55E986

split-complementary

#556EE9 #E98655 #B8E955

monochromatic

#1630AD #1F40E2 #556EE9 #8B9CF0 #C1CAF7

Accessibility & contrast

On white

4.38

#556EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#556EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE9

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE9	#FFFFFF	#000000	##000000
##556EE9	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B7FED

Deuteranopia (green-blind)

#0072E6

Tritanopia (blue-blind)

#008BA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556ee9;
/* rgb */ color: rgb(85, 110, 233);
/* oklch */ color: oklch(58.5% 0.187 270.9);

Tailwind

colors: {
  custom: {
    50: '#9397f1',
    500: '#556ee9',
    950: '#000000',
  },
}

SCSS

$custom: #556ee9;
$custom-light: #9397f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee9",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 233
  },
  "hsl": {
    "h": 229.865,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.58548,
    "c": 0.18711,
    "h": 270.9
  },
  "luminance": 0.18966
}

Semantic roles & 50–950 ramp

primary

#556EE9

secondary

#E8DFB2

accent

#B70CD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556EE9

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

Preview Lab → · Contrast checker → · Palette generator →