#556EDA#556EDA

#556EDA is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.5% C 0.167 H 270.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#556EDA
RGB	rgb(85, 110, 218)
HSL	hsl(229, 64%, 59%)
HSV	hsv(229, 61%, 85%)
CMYK	cmyk(61%, 49.5%, 0%, 14.5%)
CIE-LAB	lab(49.67, 23.81, -58.28)
CIE-LCH	lch(49.67, 62.96, 292.22°)
OKLab	oklab(57.5% 0.0016 -0.1668)
OKLCH	oklch(57.5% 0.167 270.6)
XYZ	xyz(21.9729, 18.1433, 68.6602)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EDA #DAC155

analogous

#55B0DA #556EDA #7F55DA

triadic

#556EDA #DA556E #6EDA55

tetradic

#556EDA #DA55B0 #DAC155 #55DA7F

square

#556EDA #DA55B0 #DAC155 #55DA7F

split-complementary

#556EDA #DA7F55 #B0DA55

monochromatic

#203694 #2B48C7 #556EDA #8799E5 #BAC4F0

Accessibility & contrast

On white

4.54

#556EDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#556EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EDA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EDA	#FFFFFF	#000000	##000000
##556EDA	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347CDE

Deuteranopia (green-blind)

#1570D8

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556eda;
/* rgb */ color: rgb(85, 110, 218);
/* oklch */ color: oklch(57.5% 0.167 270.6);

Tailwind

colors: {
  custom: {
    50: '#9197e6',
    500: '#556eda',
    950: '#000000',
  },
}

SCSS

$custom: #556eda;
$custom-light: #9197e6;
$custom-dark: #000000;

JSON

{
  "hex": "#556eda",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 218
  },
  "hsl": {
    "h": 228.722,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.57499,
    "c": 0.16685,
    "h": 270.6
  },
  "luminance": 0.18145
}

Semantic roles & 50–950 ramp

primary

#556EDA

secondary

#DFD6AB

accent

#C841E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EDA

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

Preview Lab → · Contrast checker → · Palette generator →