#3543BC#3543BC

#3543BC is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.2% C 0.188 H 271.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3543BC
RGB	rgb(53, 67, 188)
HSL	hsl(234, 56%, 47%)
HSV	hsv(234, 72%, 74%)
CMYK	cmyk(71.8%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(34.80, 35.62, -65.18)
CIE-LCH	lch(34.80, 74.28, 298.66°)
OKLab	oklab(45.22% 0.0045 -0.1883)
OKLCH	oklch(45.22% 0.188 271.4)
XYZ	xyz(12.5494, 8.4008, 48.5273)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543BC #BCAE35

analogous

#3586BC #3543BC #6B35BC

triadic

#3543BC #BC3543 #43BC35

tetradic

#3543BC #BC3586 #BCAE35 #35BC6B

square

#3543BC #BC3586 #BCAE35 #35BC6B

split-complementary

#3543BC #BC6B35 #86BC35

monochromatic

#1A215D #28328C #3543BC #5D69D1 #8D95DF

Accessibility & contrast

On white

7.83

#3543BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3543BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543BC

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543BC	#FFFFFF	#000000	##FFFFFF
##3543BC	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3543bc;
/* rgb */ color: rgb(53, 67, 188);
/* oklch */ color: oklch(45.2% 0.188 271.4);

Tailwind

colors: {
  custom: {
    50: '#7f77d1',
    500: '#3543bc',
    950: '#000000',
  },
}

SCSS

$custom: #3543bc;
$custom-light: #7f77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3543bc",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 233.778,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45224,
    "c": 0.18837,
    "h": 271.4
  },
  "luminance": 0.08402
}

Semantic roles & 50–950 ramp

primary

#3543BC

secondary

#C9C284

accent

#D048DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3543BC

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

Preview Lab → · Contrast checker → · Palette generator →