#556FD7#556FD7

#556FD7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.5% C 0.161 H 270.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#556FD7
RGB	rgb(85, 111, 215)
HSL	hsl(228, 62%, 59%)
HSV	hsv(228, 60%, 84%)
CMYK	cmyk(60.5%, 48.4%, 0%, 15.7%)
CIE-LAB	lab(49.74, 22.18, -56.46)
CIE-LCH	lch(49.74, 60.66, 291.45°)
OKLab	oklab(57.5% 0.0003 -0.1615)
OKLCH	oklch(57.5% 0.161 270.1)
XYZ	xyz(21.6924, 18.2047, 66.6475)
Luminance	0.1821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FD7 #D7BD55

analogous

#55B0D7 #556FD7 #7C55D7

triadic

#556FD7 #D7556F #6FD755

tetradic

#556FD7 #D755B0 #D7BD55 #55D77C

square

#556FD7 #D755B0 #D7BD55 #55D77C

split-complementary

#556FD7 #D77C55 #B0D755

monochromatic

#223890 #2D4BC1 #556FD7 #8799E3 #B8C3EE

Accessibility & contrast

On white

4.52

#556FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#556FD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556FD7

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FD7	#FFFFFF	#000000	##000000
##556FD7	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7CDB

Deuteranopia (green-blind)

#2171D5

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556fd7;
/* rgb */ color: rgb(85, 111, 215);
/* oklch */ color: oklch(57.5% 0.161 270.1);

Tailwind

colors: {
  custom: {
    50: '#9098e4',
    500: '#556fd7',
    950: '#000000',
  },
}

SCSS

$custom: #556fd7;
$custom-light: #9098e4;
$custom-dark: #000000;

JSON

{
  "hex": "#556fd7",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 215
  },
  "hsl": {
    "h": 228,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.57495,
    "c": 0.16147,
    "h": 270.1
  },
  "luminance": 0.18206
}

Semantic roles & 50–950 ramp

primary

#556FD7

secondary

#DED3AA

accent

#C543E5

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556FD7

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

Preview Lab → · Contrast checker → · Palette generator →