#3543A4#3543A4

#3543A4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.1% C 0.156 H 271.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3543A4
RGB	rgb(53, 67, 164)
HSL	hsl(232, 51%, 43%)
HSV	hsv(232, 68%, 64%)
CMYK	cmyk(67.7%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.81, 27.01, -54.16)
CIE-LCH	lch(32.81, 60.52, 296.50°)
OKLab	oklab(43.13% 0.0052 -0.156)
OKLCH	oklch(43.13% 0.156 271.9)
XYZ	xyz(10.1739, 7.4506, 36.0167)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543A4 #A49635

analogous

#357BA4 #3543A4 #5E35A4

triadic

#3543A4 #A43543 #43A435

tetradic

#3543A4 #A4357B #A49635 #35A45E

square

#3543A4 #A4357B #A49635 #35A45E

split-complementary

#3543A4 #A45E35 #7BA435

monochromatic

#171D47 #263076 #3543A4 #505FC6 #7E89D5

Accessibility & contrast

On white

8.43

#3543A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3543A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543A4

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543A4	#FFFFFF	#000000	##FFFFFF
##3543A4	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3543a4;
/* rgb */ color: rgb(53, 67, 164);
/* oklch */ color: oklch(43.1% 0.156 271.9);

Tailwind

colors: {
  custom: {
    50: '#7a77c0',
    500: '#3543a4',
    950: '#000000',
  },
}

SCSS

$custom: #3543a4;
$custom-light: #7a77c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3543a4",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 232.432,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43134,
    "c": 0.15608,
    "h": 271.9
  },
  "luminance": 0.07452
}

Semantic roles & 50–950 ramp

primary

#3543A4

secondary

#BEB576

accent

#C94DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3543A4

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

Preview Lab → · Contrast checker → · Palette generator →