#556FD2#556FD2

#556FD2 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.155 H 269.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#556FD2
RGB	rgb(85, 111, 210)
HSL	hsl(228, 58%, 58%)
HSV	hsv(228, 60%, 82%)
CMYK	cmyk(59.5%, 47.1%, 0%, 17.6%)
CIE-LAB	lab(49.44, 20.50, -54.11)
CIE-LCH	lch(49.44, 57.86, 290.75°)
OKLab	oklab(57.16% -0.0003 -0.1546)
OKLCH	oklch(57.16% 0.155 269.9)
XYZ	xyz(21.0597, 17.9516, 63.3155)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD2 #D2B855

analogous

#55ADD2 #556FD2 #7955D2

triadic

#556FD2 #D2556F #6FD255

tetradic

#556FD2 #D255AD #D2B855 #55D279

square

#556FD2 #D255AD #D2B855 #55D279

split-complementary

#556FD2 #D27955 #ADD255

monochromatic

#243988 #314DB9 #556FD2 #8598DF #B6C1EC

Accessibility & contrast

On white

4.57

#556FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#556FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD2

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD2	#FFFFFF	#000000	##000000
##556FD2	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7BD6

Deuteranopia (green-blind)

#2A70D0

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd2;
/* rgb */ color: rgb(85, 111, 210);
/* oklch */ color: oklch(57.2% 0.155 269.9);

Tailwind

colors: {
  custom: {
    50: '#8f98e0',
    500: '#556fd2',
    950: '#000000',
  },
}

SCSS

$custom: #556fd2;
$custom-light: #8f98e0;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd2",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 210
  },
  "hsl": {
    "h": 227.52,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57164,
    "c": 0.15456,
    "h": 269.9
  },
  "luminance": 0.17953
}

Semantic roles & 50–950 ramp

primary

#556FD2

secondary

#DAD0A8

accent

#C146E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FD2

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

Preview Lab → · Contrast checker → · Palette generator →