#556CD7#556CD7

#556CD7 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.165 H 271.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#556CD7
RGB	rgb(85, 108, 215)
HSL	hsl(229, 62%, 59%)
HSV	hsv(229, 60%, 84%)
CMYK	cmyk(60.5%, 49.8%, 0%, 15.7%)
CIE-LAB	lab(48.96, 24.04, -57.72)
CIE-LCH	lch(48.96, 62.53, 292.61°)
OKLab	oklab(56.9% 0.0033 -0.1652)
OKLCH	oklch(56.9% 0.165 271.1)
XYZ	xyz(21.3705, 17.5610, 66.5402)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CD7 #D7C055

analogous

#55ADD7 #556CD7 #7F55D7

triadic

#556CD7 #D7556C #6CD755

tetradic

#556CD7 #D755AD #D7C055 #55D77F

square

#556CD7 #D755AD #D7C055 #55D77F

split-complementary

#556CD7 #D77F55 #ADD755

monochromatic

#223590 #2D48C1 #556CD7 #8797E3 #B8C2EE

Accessibility & contrast

On white

4.65

#556CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#556CD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556CD7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CD7	#FFFFFF	#000000	##FFFFFF
##556CD7	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327ADB

Deuteranopia (green-blind)

#156FD5

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556cd7;
/* rgb */ color: rgb(85, 108, 215);
/* oklch */ color: oklch(56.9% 0.165 271.1);

Tailwind

colors: {
  custom: {
    50: '#9095e4',
    500: '#556cd7',
    950: '#000000',
  },
}

SCSS

$custom: #556cd7;
$custom-light: #9095e4;
$custom-dark: #000000;

JSON

{
  "hex": "#556cd7",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 215
  },
  "hsl": {
    "h": 229.385,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.569,
    "c": 0.16525,
    "h": 271.1
  },
  "luminance": 0.17563
}

Semantic roles & 50–950 ramp

primary

#556CD7

secondary

#DED4AA

accent

#C843E5

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CD7

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

Preview Lab → · Contrast checker → · Palette generator →