#556CE3#556CE3

#556CE3 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.182 H 271.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#556CE3
RGB	rgb(85, 108, 227)
HSL	hsl(230, 72%, 61%)
HSV	hsv(230, 63%, 89%)
CMYK	cmyk(62.6%, 52.4%, 0%, 11%)
CIE-LAB	lab(49.74, 28.08, -63.26)
CIE-LCH	lch(49.74, 69.21, 293.94°)
OKLab	oklab(57.74% 0.0043 -0.1815)
OKLCH	oklch(57.74% 0.182 271.4)
XYZ	xyz(22.9694, 18.2005, 74.9608)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CE3 #E3CC55

analogous

#55B3E3 #556CE3 #8555E3

triadic

#556CE3 #E3556C #6CE355

tetradic

#556CE3 #E355B3 #E3CC55 #55E385

square

#556CE3 #E355B3 #E3CC55 #55E385

split-complementary

#556CE3 #E38555 #B3E355

monochromatic

#1B31A3 #2341D7 #556CE3 #8A99EC #BEC7F4

Accessibility & contrast

On white

4.53

#556CE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#556CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556CE3

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CE3	#FFFFFF	#000000	##000000
##556CE3	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#207DE7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#00889D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556ce3;
/* rgb */ color: rgb(85, 108, 227);
/* oklch */ color: oklch(57.7% 0.182 271.4);

Tailwind

colors: {
  custom: {
    50: '#9295ed',
    500: '#556ce3',
    950: '#000000',
  },
}

SCSS

$custom: #556ce3;
$custom-light: #9295ed;
$custom-dark: #000000;

JSON

{
  "hex": "#556ce3",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 227
  },
  "hsl": {
    "h": 230.282,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.57737,
    "c": 0.18155,
    "h": 271.4
  },
  "luminance": 0.18202
}

Semantic roles & 50–950 ramp

primary

#556CE3

secondary

#E5DCAF

accent

#B412D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CE3

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

Preview Lab → · Contrast checker → · Palette generator →