#556DE9#556DE9

#556DE9 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.4% C 0.188 H 271.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#556DE9
RGB	rgb(85, 109, 233)
HSL	hsl(230, 77%, 62%)
HSV	hsv(230, 64%, 91%)
CMYK	cmyk(63.5%, 53.2%, 0%, 8.6%)
CIE-LAB	lab(50.39, 29.49, -65.57)
CIE-LCH	lch(50.39, 71.90, 294.22°)
OKLab	oklab(58.36% 0.0038 -0.1883)
OKLCH	oklch(58.36% 0.188 271.2)
XYZ	xyz(23.9180, 18.7497, 79.4336)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DE9 #E9D155

analogous

#55B7E9 #556DE9 #8755E9

triadic

#556DE9 #E9556D #6DE955

tetradic

#556DE9 #E955B7 #E9D155 #55E987

square

#556DE9 #E955B7 #E9D155 #55E987

split-complementary

#556DE9 #E98755 #B7E955

monochromatic

#162FAD #1F3EE2 #556DE9 #8B9CF0 #C1CAF7

Accessibility & contrast

On white

4.42

#556DE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#556DE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556DE9

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DE9	#FFFFFF	#000000	##000000
##556DE9	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)

#167FED

Deuteranopia (green-blind)

#0072E6

Tritanopia (blue-blind)

#008AA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556de9;
/* rgb */ color: rgb(85, 109, 233);
/* oklch */ color: oklch(58.4% 0.188 271.2);

Tailwind

colors: {
  custom: {
    50: '#9396f1',
    500: '#556de9',
    950: '#000000',
  },
}

SCSS

$custom: #556de9;
$custom-light: #9396f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556de9",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 233
  },
  "hsl": {
    "h": 230.27,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.58358,
    "c": 0.18834,
    "h": 271.2
  },
  "luminance": 0.18752
}

Semantic roles & 50–950 ramp

primary

#556DE9

secondary

#E8DFB2

accent

#B80CD9

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556DE9

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

Preview Lab → · Contrast checker → · Palette generator →