#556CDC#556CDC

#556CDC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.2% C 0.172 H 271.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556CDC
RGB	rgb(85, 108, 220)
HSL	hsl(230, 66%, 60%)
HSV	hsv(230, 61%, 86%)
CMYK	cmyk(61.4%, 50.9%, 0%, 13.7%)
CIE-LAB	lab(49.28, 25.72, -60.04)
CIE-LCH	lch(49.28, 65.32, 293.19°)
OKLab	oklab(57.25% 0.0038 -0.172)
OKLCH	oklch(57.25% 0.172 271.3)
XYZ	xyz(22.0228, 17.8219, 69.9757)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CDC #DCC555

analogous

#55AFDC #556CDC #8255DC

triadic

#556CDC #DC556C #6CDC55

tetradic

#556CDC #DC55AF #DCC555 #55DC82

square

#556CDC #DC55AF #DCC555 #55DC82

split-complementary

#556CDC #DC8255 #AFDC55

monochromatic

#1F3497 #2A45CA #556CDC #8898E6 #BBC4F1

Accessibility & contrast

On white

4.60

#556CDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#556CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556CDC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CDC	#FFFFFF	#000000	##FFFFFF
##556CDC	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7BE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556cdc;
/* rgb */ color: rgb(85, 108, 220);
/* oklch */ color: oklch(57.2% 0.172 271.3);

Tailwind

colors: {
  custom: {
    50: '#9195e8',
    500: '#556cdc',
    950: '#000000',
  },
}

SCSS

$custom: #556cdc;
$custom-light: #9195e8;
$custom-dark: #000000;

JSON

{
  "hex": "#556cdc",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 220
  },
  "hsl": {
    "h": 229.778,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.57245,
    "c": 0.17208,
    "h": 271.3
  },
  "luminance": 0.17824
}

Semantic roles & 50–950 ramp

primary

#556CDC

secondary

#E0D8AC

accent

#CC3FE9

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CDC

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

Preview Lab → · Contrast checker → · Palette generator →