#3556C4#3556C4

#3556C4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.5% C 0.176 H 267.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3556C4
RGB	rgb(53, 86, 196)
HSL	hsl(226, 57%, 49%)
HSV	hsv(226, 73%, 77%)
CMYK	cmyk(73%, 56.1%, 0%, 23.1%)
CIE-LAB	lab(40.24, 26.32, -60.99)
CIE-LCH	lch(40.24, 66.42, 293.34°)
OKLab	oklab(49.46% -0.0092 -0.1758)
OKLCH	oklch(49.46% 0.176 267)
XYZ	xyz(14.7563, 11.3964, 53.6359)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556C4 #C4A335

analogous

#359EC4 #3556C4 #5C35C4

triadic

#3556C4 #C43556 #56C435

tetradic

#3556C4 #C4359E #C4A335 #35C45C

square

#3556C4 #C4359E #C4A335 #35C45C

split-complementary

#3556C4 #C45C35 #9EC435

monochromatic

#1B2C64 #284194 #3556C4 #627CD4 #92A4E1

Accessibility & contrast

On white

6.40

#3556C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3556C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556C4

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556C4	#FFFFFF	#000000	##FFFFFF
##3556C4	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3556c4;
/* rgb */ color: rgb(53, 86, 196);
/* oklch */ color: oklch(49.5% 0.176 267.0);

Tailwind

colors: {
  custom: {
    50: '#7f85d7',
    500: '#3556c4',
    950: '#000000',
  },
}

SCSS

$custom: #3556c4;
$custom-light: #7f85d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3556c4",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 196
  },
  "hsl": {
    "h": 226.154,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49461,
    "c": 0.17604,
    "h": 267
  },
  "luminance": 0.11398
}

Semantic roles & 50–950 ramp

primary

#3556C4

secondary

#CCBD88

accent

#BD47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3556C4

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

Preview Lab → · Contrast checker → · Palette generator →