#556BE9#556BE9

#556BE9 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 58.0% C 0.191 H 271.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#556BE9
RGB	rgb(85, 107, 233)
HSL	hsl(231, 77%, 62%)
HSV	hsv(231, 64%, 91%)
CMYK	cmyk(63.5%, 54.1%, 0%, 8.6%)
CIE-LAB	lab(49.89, 30.72, -66.38)
CIE-LCH	lch(49.89, 73.15, 294.84°)
OKLab	oklab(57.98% 0.0056 -0.1907)
OKLCH	oklch(57.98% 0.191 271.7)
XYZ	xyz(23.7071, 18.3278, 79.3633)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BE9 #E9D355

analogous

#55B5E9 #556BE9 #8955E9

triadic

#556BE9 #E9556B #6BE955

tetradic

#556BE9 #E955B5 #E9D355 #55E989

square

#556BE9 #E955B5 #E9D355 #55E989

split-complementary

#556BE9 #E98955 #B5E955

monochromatic

#162DAD #1F3CE2 #556BE9 #8B9AF0 #C1C9F7

Accessibility & contrast

On white

4.50

#556BE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#556BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556BE9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BE9	#FFFFFF	#000000	##000000
##556BE9	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#057DED

Deuteranopia (green-blind)

#0070E6

Tritanopia (blue-blind)

#0089A0

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556be9;
/* rgb */ color: rgb(85, 107, 233);
/* oklch */ color: oklch(58.0% 0.191 271.7);

Tailwind

colors: {
  custom: {
    50: '#9395f1',
    500: '#556be9',
    950: '#000000',
  },
}

SCSS

$custom: #556be9;
$custom-light: #9395f1;
$custom-dark: #000000;

JSON

{
  "hex": "#556be9",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 233
  },
  "hsl": {
    "h": 231.081,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.57981,
    "c": 0.1908,
    "h": 271.7
  },
  "luminance": 0.1833
}

Semantic roles & 50–950 ramp

primary

#556BE9

secondary

#E8E0B2

accent

#BB0CD9

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556BE9

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

Preview Lab → · Contrast checker → · Palette generator →