#556CDE#556CDE

#556CDE is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.4% C 0.175 H 271.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#556CDE
RGB	rgb(85, 108, 222)
HSL	hsl(230, 67%, 60%)
HSV	hsv(230, 62%, 87%)
CMYK	cmyk(61.7%, 51.4%, 0%, 12.9%)
CIE-LAB	lab(49.41, 26.40, -60.97)
CIE-LCH	lch(49.41, 66.44, 293.41°)
OKLab	oklab(57.38% 0.004 -0.1748)
OKLCH	oklch(57.38% 0.175 271.3)
XYZ	xyz(22.2893, 17.9285, 71.3790)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CDE #DEC755

analogous

#55B0DE #556CDE #8255DE

triadic

#556CDE #DE556C #6CDE55

tetradic

#556CDE #DE55B0 #DEC755 #55DE82

square

#556CDE #DE55B0 #DEC755 #55DE82

split-complementary

#556CDE #DE8255 #B0DE55

monochromatic

#1E339B #2844CE #556CDE #8898E8 #BCC5F2

Accessibility & contrast

On white

4.58

#556CDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#556CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556CDE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CDE	#FFFFFF	#000000	##000000
##556CDE	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#297CE2

Deuteranopia (green-blind)

#0070DC

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556cde;
/* rgb */ color: rgb(85, 108, 222);
/* oklch */ color: oklch(57.4% 0.175 271.3);

Tailwind

colors: {
  custom: {
    50: '#9195e9',
    500: '#556cde',
    950: '#000000',
  },
}

SCSS

$custom: #556cde;
$custom-light: #9195e9;
$custom-dark: #000000;

JSON

{
  "hex": "#556cde",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 222
  },
  "hsl": {
    "h": 229.927,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57384,
    "c": 0.1748,
    "h": 271.3
  },
  "luminance": 0.1793
}

Semantic roles & 50–950 ramp

primary

#556CDE

secondary

#E2D9AD

accent

#B016CF

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CDE

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

Preview Lab → · Contrast checker → · Palette generator →