#3556AC#3556AC

#3556AC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.143 H 265.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3556AC
RGB	rgb(53, 86, 172)
HSL	hsl(223, 53%, 44%)
HSV	hsv(223, 69%, 67%)
CMYK	cmyk(69.2%, 50%, 0%, 32.5%)
CIE-LAB	lab(38.53, 17.44, -49.67)
CIE-LCH	lch(38.53, 52.64, 289.34°)
OKLab	oklab(47.63% -0.0112 -0.1425)
OKLCH	oklch(47.63% 0.143 265.5)
XYZ	xyz(12.2398, 10.3898, 40.3821)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556AC #AC8B35

analogous

#3592AC #3556AC #4F35AC

triadic

#3556AC #AC3556 #56AC35

tetradic

#3556AC #AC3592 #AC8B35 #35AC4F

square

#3556AC #AC3592 #AC8B35 #35AC4F

split-complementary

#3556AC #AC4F35 #92AC35

monochromatic

#18274E #273F7D #3556AC #5475CA #839BD9

Accessibility & contrast

On white

6.82

#3556AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3556AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556AC

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556AC	#FFFFFF	#000000	##FFFFFF
##3556AC	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3556ac;
/* rgb */ color: rgb(53, 86, 172);
/* oklch */ color: oklch(47.6% 0.143 265.5);

Tailwind

colors: {
  custom: {
    50: '#7a85c5',
    500: '#3556ac',
    950: '#000000',
  },
}

SCSS

$custom: #3556ac;
$custom-light: #7a85c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3556ac",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 172
  },
  "hsl": {
    "h": 223.361,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47628,
    "c": 0.14295,
    "h": 265.5
  },
  "luminance": 0.10391
}

Semantic roles & 50–950 ramp

primary

#3556AC

secondary

#C2AE7B

accent

#B44CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3556AC

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

Preview Lab → · Contrast checker → · Palette generator →