#3543AD#3543AD

#3543AD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.168 H 271.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#3543AD
RGB	rgb(53, 67, 173)
HSL	hsl(233, 53%, 44%)
HSV	hsv(233, 69%, 68%)
CMYK	cmyk(69.4%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(33.54, 30.26, -58.37)
CIE-LCH	lch(33.54, 65.75, 297.40°)
OKLab	oklab(43.9% 0.0052 -0.1683)
OKLCH	oklch(43.9% 0.168 271.8)
XYZ	xyz(11.0156, 7.7873, 40.4496)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543AD #AD9F35

analogous

#357FAD #3543AD #6335AD

triadic

#3543AD #AD3543 #43AD35

tetradic

#3543AD #AD357F #AD9F35 #35AD63

square

#3543AD #AD357F #AD9F35 #35AD63

split-complementary

#3543AD #AD6335 #7FAD35

monochromatic

#181F4F #27317E #3543AD #5462CB #838DD9

Accessibility & contrast

On white

8.21

#3543AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3543AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543AD

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543AD	#FFFFFF	#000000	##FFFFFF
##3543AD	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3543ad;
/* rgb */ color: rgb(53, 67, 173);
/* oklch */ color: oklch(43.9% 0.168 271.8);

Tailwind

colors: {
  custom: {
    50: '#7c77c6',
    500: '#3543ad',
    950: '#000000',
  },
}

SCSS

$custom: #3543ad;
$custom-light: #7c77c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3543ad",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 233,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43898,
    "c": 0.16843,
    "h": 271.8
  },
  "luminance": 0.07788
}

Semantic roles & 50–950 ramp

primary

#3543AD

secondary

#C3BA7B

accent

#CC4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3543AD

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

Preview Lab → · Contrast checker → · Palette generator →