#3556AD#3556AD

#3556AD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.144 H 265.6°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3556AD
RGB	rgb(53, 86, 173)
HSL	hsl(224, 53%, 44%)
HSV	hsv(224, 69%, 68%)
CMYK	cmyk(69.4%, 50.3%, 0%, 32.2%)
CIE-LAB	lab(38.60, 17.81, -50.16)
CIE-LCH	lch(38.60, 53.22, 289.55°)
OKLab	oklab(47.7% -0.0111 -0.1439)
OKLCH	oklch(47.7% 0.144 265.6)
XYZ	xyz(12.3362, 10.4284, 40.8898)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556AD #AD8C35

analogous

#3592AD #3556AD #5035AD

triadic

#3556AD #AD3556 #56AD35

tetradic

#3556AD #AD3592 #AD8C35 #35AD50

square

#3556AD #AD3592 #AD8C35 #35AD50

split-complementary

#3556AD #AD5035 #92AD35

monochromatic

#18274F #273F7E #3556AD #5475CB #839BD9

Accessibility & contrast

On white

6.80

#3556AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3556AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556AD

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556AD	#FFFFFF	#000000	##FFFFFF
##3556AD	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2461B0

Deuteranopia (green-blind)

#0056AB

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3556ad;
/* rgb */ color: rgb(53, 86, 173);
/* oklch */ color: oklch(47.7% 0.144 265.6);

Tailwind

colors: {
  custom: {
    50: '#7b85c6',
    500: '#3556ad',
    950: '#000000',
  },
}

SCSS

$custom: #3556ad;
$custom-light: #7b85c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3556ad",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 173
  },
  "hsl": {
    "h": 223.5,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47701,
    "c": 0.14437,
    "h": 265.6
  },
  "luminance": 0.1043
}

Semantic roles & 50–950 ramp

primary

#3556AD

secondary

#C3AF7B

accent

#B54BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3556AD

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

Preview Lab → · Contrast checker → · Palette generator →