#556EE0#556EE0

#556EE0 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.9% C 0.175 H 270.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#556EE0
RGB	rgb(85, 110, 224)
HSL	hsl(229, 69%, 61%)
HSV	hsv(229, 62%, 88%)
CMYK	cmyk(62.1%, 50.9%, 0%, 12.2%)
CIE-LAB	lab(50.05, 25.84, -61.06)
CIE-LCH	lch(50.05, 66.30, 292.93°)
OKLab	oklab(57.91% 0.0022 -0.175)
OKLCH	oklch(57.91% 0.175 270.7)
XYZ	xyz(22.7723, 18.4630, 72.8702)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EE0 #E0C755

analogous

#55B3E0 #556EE0 #8255E0

triadic

#556EE0 #E0556E #6EE055

tetradic

#556EE0 #E055B3 #E0C755 #55E082

square

#556EE0 #E055B3 #E0C755 #55E082

split-complementary

#556EE0 #E08255 #B3E055

monochromatic

#1D349E #2645D2 #556EE0 #899AE9 #BDC6F3

Accessibility & contrast

On white

4.47

#556EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#556EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EE0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EE0	#FFFFFF	#000000	##000000
##556EE0	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7EE4

Deuteranopia (green-blind)

#0071DE

Tritanopia (blue-blind)

#00889C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556ee0;
/* rgb */ color: rgb(85, 110, 224);
/* oklch */ color: oklch(57.9% 0.175 270.7);

Tailwind

colors: {
  custom: {
    50: '#9297ea',
    500: '#556ee0',
    950: '#000000',
  },
}

SCSS

$custom: #556ee0;
$custom-light: #9297ea;
$custom-dark: #000000;

JSON

{
  "hex": "#556ee0",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 224
  },
  "hsl": {
    "h": 229.209,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57912,
    "c": 0.17501,
    "h": 270.7
  },
  "luminance": 0.18465
}

Semantic roles & 50–950 ramp

primary

#556EE0

secondary

#E3D9AE

accent

#AF14D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EE0

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

Preview Lab → · Contrast checker → · Palette generator →