#556EEE#556EEE

#556EEE is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.9% C 0.194 H 270.9°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#556EEE
RGB	rgb(85, 110, 238)
HSL	hsl(230, 82%, 63%)
HSV	hsv(230, 64%, 93%)
CMYK	cmyk(64.3%, 53.8%, 0%, 6.7%)
CIE-LAB	lab(50.98, 30.57, -67.42)
CIE-LCH	lch(50.98, 74.02, 294.39°)
OKLab	oklab(58.91% 0.0032 -0.1937)
OKLCH	oklch(58.91% 0.194 270.9)
XYZ	xyz(24.7497, 19.2540, 83.2844)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EEE #EED555

analogous

#55BAEE #556EEE #8855EE

triadic

#556EEE #EE556E #6EEE55

tetradic

#556EEE #EE55BA #EED555 #55EE88

square

#556EEE #EE55BA #EED555 #55EE88

split-complementary

#556EEE #EE8855 #BAEE55

monochromatic

#122DB6 #1D3FE8 #556EEE #8D9DF4 #C4CDF9

Accessibility & contrast

On white

4.33

#556EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#556EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EEE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EEE	#FFFFFF	#000000	##000000
##556EEE	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0981F2

Deuteranopia (green-blind)

#0073EB

Tritanopia (blue-blind)

#008CA3

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #556eee;
/* rgb */ color: rgb(85, 110, 238);
/* oklch */ color: oklch(58.9% 0.194 270.9);

Tailwind

colors: {
  custom: {
    50: '#9497f4',
    500: '#556eee',
    950: '#000000',
  },
}

SCSS

$custom: #556eee;
$custom-light: #9497f4;
$custom-dark: #000000;

JSON

{
  "hex": "#556eee",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 238
  },
  "hsl": {
    "h": 230.196,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.58909,
    "c": 0.19375,
    "h": 270.9
  },
  "luminance": 0.19256
}

Semantic roles & 50–950 ramp

primary

#556EEE

secondary

#EBE2B4

accent

#BB07DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556EEE

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

Preview Lab → · Contrast checker → · Palette generator →