#556FCA#556FCA

#556FCA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.6% C 0.143 H 269.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#556FCA
RGB	rgb(85, 111, 202)
HSL	hsl(227, 52%, 56%)
HSV	hsv(227, 58%, 79%)
CMYK	cmyk(57.9%, 45%, 0%, 20.8%)
CIE-LAB	lab(48.96, 17.82, -50.31)
CIE-LCH	lch(48.96, 53.37, 289.51°)
OKLab	oklab(56.65% -0.0015 -0.1434)
OKLCH	oklch(56.65% 0.143 269.4)
XYZ	xyz(20.0879, 17.5629, 58.1971)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556FCA #CAB055

analogous

#55AACA #556FCA #7655CA

triadic

#556FCA #CA556F #6FCA55

tetradic

#556FCA #CA55AA #CAB055 #55CA76

square

#556FCA #CA55AA #CAB055 #55CA76

split-complementary

#556FCA #CA7655 #AACA55

monochromatic

#273A7D #3650AC #556FCA #8497D9 #B2BEE7

Accessibility & contrast

On white

4.65

#556FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#556FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556FCA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556FCA	#FFFFFF	#000000	##FFFFFF
##556FCA	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)

#457ACD

Deuteranopia (green-blind)

#356FC8

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #556fca;
/* rgb */ color: rgb(85, 111, 202);
/* oklch */ color: oklch(56.6% 0.143 269.4);

Tailwind

colors: {
  custom: {
    50: '#8e98db',
    500: '#556fca',
    950: '#000000',
  },
}

SCSS

$custom: #556fca;
$custom-light: #8e98db;
$custom-dark: #000000;

JSON

{
  "hex": "#556fca",
  "rgb": {
    "r": 85,
    "g": 111,
    "b": 202
  },
  "hsl": {
    "h": 226.667,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.56647,
    "c": 0.14339,
    "h": 269.4
  },
  "luminance": 0.17564
}

Semantic roles & 50–950 ramp

primary

#556FCA

secondary

#D5CBA5

accent

#BC4CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #556FCA

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

Preview Lab → · Contrast checker → · Palette generator →