#556FEE#556FEE

#556FEE is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.1% C 0.193 H 270.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#556FEE
RGB	rgb(85, 111, 238)
HSL	hsl(230, 82%, 63%)
HSV	hsv(230, 64%, 93%)
CMYK	cmyk(64.3%, 53.4%, 0%, 6.7%)
CIE-LAB	lab(51.23, 29.95, -67.01)
CIE-LCH	lch(51.23, 73.40, 294.08°)
OKLab	oklab(59.1% 0.0023 -0.1925)
OKLCH	oklch(59.1% 0.193 270.7)
XYZ	xyz(24.8582, 19.4710, 83.3206)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FEE #EED455

analogous

#55BBEE #556FEE #8755EE

triadic

#556FEE #EE556F #6FEE55

tetradic

#556FEE #EE55BB #EED455 #55EE87

square

#556FEE #EE55BB #EED455 #55EE87

split-complementary

#556FEE #EE8755 #BBEE55

monochromatic

#122EB6 #1D40E8 #556FEE #8D9EF4 #C4CDF9

Accessibility & contrast

On white

4.29

#556FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#556FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FEE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FEE	#FFFFFF	#000000	##000000
##556FEE	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1281F2

Deuteranopia (green-blind)

#0073EB

Tritanopia (blue-blind)

#008DA4

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #556fee;
/* rgb */ color: rgb(85, 111, 238);
/* oklch */ color: oklch(59.1% 0.193 270.7);

Tailwind

colors: {
  custom: {
    50: '#9498f4',
    500: '#556fee',
    950: '#000000',
  },
}

SCSS

$custom: #556fee;
$custom-light: #9498f4;
$custom-dark: #000000;

JSON

{
  "hex": "#556fee",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 238
  },
  "hsl": {
    "h": 229.804,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59097,
    "c": 0.19253,
    "h": 270.7
  },
  "luminance": 0.19473
}

Semantic roles & 50–950 ramp

primary

#556FEE

secondary

#EBE1B4

accent

#BA07DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #556FEE

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

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