#556EDF#556EDF

#556EDF is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.8% C 0.174 H 270.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#556EDF
RGB	rgb(85, 110, 223)
HSL	hsl(229, 68%, 60%)
HSV	hsv(229, 62%, 87%)
CMYK	cmyk(61.9%, 50.7%, 0%, 12.5%)
CIE-LAB	lab(49.99, 25.50, -60.60)
CIE-LCH	lch(49.99, 65.74, 292.82°)
OKLab	oklab(57.84% 0.0021 -0.1736)
OKLCH	oklch(57.84% 0.174 270.7)
XYZ	xyz(22.6371, 18.4089, 72.1581)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EDF #DFC655

analogous

#55B3DF #556EDF #8155DF

triadic

#556EDF #DF556E #6EDF55

tetradic

#556EDF #DF55B3 #DFC655 #55DF81

square

#556EDF #DF55B3 #DFC655 #55DF81

split-complementary

#556EDF #DF8155 #B3DF55

monochromatic

#1D349C #2746D0 #556EDF #899AE9 #BCC6F2

Accessibility & contrast

On white

4.49

#556EDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#556EDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556EDF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EDF	#FFFFFF	#000000	##000000
##556EDF	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7DE3

Deuteranopia (green-blind)

#0071DD

Tritanopia (blue-blind)

#00889C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556edf;
/* rgb */ color: rgb(85, 110, 223);
/* oklch */ color: oklch(57.8% 0.174 270.7);

Tailwind

colors: {
  custom: {
    50: '#9197ea',
    500: '#556edf',
    950: '#000000',
  },
}

SCSS

$custom: #556edf;
$custom-light: #9197ea;
$custom-dark: #000000;

JSON

{
  "hex": "#556edf",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 223
  },
  "hsl": {
    "h": 229.13,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57843,
    "c": 0.17366,
    "h": 270.7
  },
  "luminance": 0.18411
}

Semantic roles & 50–950 ramp

primary

#556EDF

secondary

#E2D9AE

accent

#AE15D0

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556EDF

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

Preview Lab → · Contrast checker → · Palette generator →