#556FE0#556FE0

#556FE0 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.1% C 0.174 H 270.4°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#556FE0
RGB	rgb(85, 111, 224)
HSL	hsl(229, 69%, 61%)
HSV	hsv(229, 62%, 88%)
CMYK	cmyk(62.1%, 50.4%, 0%, 12.2%)
CIE-LAB	lab(50.31, 25.22, -60.64)
CIE-LCH	lch(50.31, 65.68, 292.58°)
OKLab	oklab(58.11% 0.0013 -0.1738)
OKLCH	oklch(58.11% 0.174 270.4)
XYZ	xyz(22.8808, 18.6800, 72.9064)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FE0 #E0C655

analogous

#55B4E0 #556FE0 #8055E0

triadic

#556FE0 #E0556F #6FE055

tetradic

#556FE0 #E055B4 #E0C655 #55E080

square

#556FE0 #E055B4 #E0C655 #55E080

split-complementary

#556FE0 #E08055 #B4E055

monochromatic

#1D359E #2646D2 #556FE0 #899BE9 #BDC7F3

Accessibility & contrast

On white

4.43

#556FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#556FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FE0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FE0	#FFFFFF	#000000	##000000
##556FE0	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7EE4

Deuteranopia (green-blind)

#0172DE

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #556fe0;
/* rgb */ color: rgb(85, 111, 224);
/* oklch */ color: oklch(58.1% 0.174 270.4);

Tailwind

colors: {
  custom: {
    50: '#9298ea',
    500: '#556fe0',
    950: '#000000',
  },
}

SCSS

$custom: #556fe0;
$custom-light: #9298ea;
$custom-dark: #000000;

JSON

{
  "hex": "#556fe0",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 224
  },
  "hsl": {
    "h": 228.777,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.58107,
    "c": 0.17377,
    "h": 270.4
  },
  "luminance": 0.18682
}

Semantic roles & 50–950 ramp

primary

#556FE0

secondary

#E3D9AE

accent

#AE14D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FE0

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

Preview Lab → · Contrast checker → · Palette generator →