#556BD7#556BD7

#556BD7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.7% C 0.167 H 271.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#556BD7
RGB	rgb(85, 107, 215)
HSL	hsl(230, 62%, 59%)
HSV	hsv(230, 60%, 84%)
CMYK	cmyk(60.5%, 50.2%, 0%, 15.7%)
CIE-LAB	lab(48.70, 24.66, -58.14)
CIE-LCH	lch(48.70, 63.16, 292.99°)
OKLab	oklab(56.7% 0.0043 -0.1665)
OKLCH	oklch(56.7% 0.167 271.5)
XYZ	xyz(21.2657, 17.3512, 66.5053)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556BD7 #D7C155

analogous

#55ACD7 #556BD7 #8055D7

triadic

#556BD7 #D7556B #6BD755

tetradic

#556BD7 #D755AC #D7C155 #55D780

square

#556BD7 #D755AC #D7C155 #55D780

split-complementary

#556BD7 #D78055 #ACD755

monochromatic

#223490 #2D47C1 #556BD7 #8796E3 #B8C1EE

Accessibility & contrast

On white

4.70

#556BD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#556BD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556BD7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556BD7	#FFFFFF	#000000	##FFFFFF
##556BD7	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#307ADB

Deuteranopia (green-blind)

#106ED5

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556bd7;
/* rgb */ color: rgb(85, 107, 215);
/* oklch */ color: oklch(56.7% 0.167 271.5);

Tailwind

colors: {
  custom: {
    50: '#9095e4',
    500: '#556bd7',
    950: '#000000',
  },
}

SCSS

$custom: #556bd7;
$custom-light: #9095e4;
$custom-dark: #000000;

JSON

{
  "hex": "#556bd7",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 215
  },
  "hsl": {
    "h": 229.846,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.56704,
    "c": 0.16652,
    "h": 271.5
  },
  "luminance": 0.17353
}

Semantic roles & 50–950 ramp

primary

#556BD7

secondary

#DED5AA

accent

#CA43E5

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556BD7

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

Preview Lab → · Contrast checker → · Palette generator →