#556CE4#556CE4

#556CE4 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.8% C 0.183 H 271.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#556CE4
RGB	rgb(85, 108, 228)
HSL	hsl(230, 73%, 61%)
HSV	hsv(230, 63%, 89%)
CMYK	cmyk(62.7%, 52.6%, 0%, 10.6%)
CIE-LAB	lab(49.80, 28.42, -63.71)
CIE-LCH	lch(49.80, 69.76, 294.04°)
OKLab	oklab(57.81% 0.0044 -0.1828)
OKLCH	oklch(57.81% 0.183 271.4)
XYZ	xyz(23.1078, 18.2559, 75.6897)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CE4 #E4CD55

analogous

#55B4E4 #556CE4 #8655E4

triadic

#556CE4 #E4556C #6CE455

tetradic

#556CE4 #E455B4 #E4CD55 #55E486

square

#556CE4 #E455B4 #E4CD55 #55E486

split-complementary

#556CE4 #E48655 #B4E455

monochromatic

#1A30A4 #2340D9 #556CE4 #8A9AEC #BFC7F5

Accessibility & contrast

On white

4.51

#556CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#556CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556CE4

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CE4	#FFFFFF	#000000	##000000
##556CE4	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7DE8

Deuteranopia (green-blind)

#0070E2

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556ce4;
/* rgb */ color: rgb(85, 108, 228);
/* oklch */ color: oklch(57.8% 0.183 271.4);

Tailwind

colors: {
  custom: {
    50: '#9295ed',
    500: '#556ce4',
    950: '#000000',
  },
}

SCSS

$custom: #556ce4;
$custom-light: #9295ed;
$custom-dark: #000000;

JSON

{
  "hex": "#556ce4",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 228
  },
  "hsl": {
    "h": 230.35,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.57809,
    "c": 0.18289,
    "h": 271.4
  },
  "luminance": 0.18258
}

Semantic roles & 50–950 ramp

primary

#556CE4

secondary

#E5DDB0

accent

#B511D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CE4

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

Preview Lab → · Contrast checker → · Palette generator →