#556FDE#556FDE

#556FDE is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.0% C 0.171 H 270.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#556FDE
RGB	rgb(85, 111, 222)
HSL	hsl(229, 67%, 60%)
HSV	hsv(229, 62%, 87%)
CMYK	cmyk(61.7%, 50%, 0%, 12.9%)
CIE-LAB	lab(50.18, 24.54, -59.72)
CIE-LCH	lch(50.18, 64.56, 292.34°)
OKLab	oklab(57.97% 0.0011 -0.171)
OKLCH	oklch(57.97% 0.171 270.4)
XYZ	xyz(22.6111, 18.5722, 71.4863)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FDE #DEC455

analogous

#55B4DE #556FDE #7F55DE

triadic

#556FDE #DE556F #6FDE55

tetradic

#556FDE #DE55B4 #DEC455 #55DE7F

square

#556FDE #DE55B4 #DEC455 #55DE7F

split-complementary

#556FDE #DE7F55 #B4DE55

monochromatic

#1E369B #2847CE #556FDE #889AE8 #BCC6F2

Accessibility & contrast

On white

4.45

#556FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#556FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FDE

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FDE	#FFFFFF	#000000	##000000
##556FDE	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327EE2

Deuteranopia (green-blind)

#0C72DC

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #556fde;
/* rgb */ color: rgb(85, 111, 222);
/* oklch */ color: oklch(58.0% 0.171 270.4);

Tailwind

colors: {
  custom: {
    50: '#9198e9',
    500: '#556fde',
    950: '#000000',
  },
}

SCSS

$custom: #556fde;
$custom-light: #9198e9;
$custom-dark: #000000;

JSON

{
  "hex": "#556fde",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 222
  },
  "hsl": {
    "h": 228.613,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.17105,
    "h": 270.4
  },
  "luminance": 0.18574
}

Semantic roles & 50–950 ramp

primary

#556FDE

secondary

#E2D8AD

accent

#AC16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FDE

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

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