#3543A5#3543A5

#3543A5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.157 H 271.9°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3543A5
RGB	rgb(53, 67, 165)
HSL	hsl(233, 51%, 43%)
HSV	hsv(233, 68%, 65%)
CMYK	cmyk(67.9%, 59.4%, 0%, 35.3%)
CIE-LAB	lab(32.89, 27.37, -54.63)
CIE-LCH	lch(32.89, 61.11, 296.61°)
OKLab	oklab(43.22% 0.0052 -0.1574)
OKLCH	oklch(43.22% 0.157 271.9)
XYZ	xyz(10.2646, 7.4869, 36.4942)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543A5 #A59735

analogous

#357BA5 #3543A5 #5F35A5

triadic

#3543A5 #A53543 #43A535

tetradic

#3543A5 #A5357B #A59735 #35A55F

square

#3543A5 #A5357B #A59735 #35A55F

split-complementary

#3543A5 #A55F35 #7BA535

monochromatic

#171D48 #263077 #3543A5 #505FC7 #7F8AD6

Accessibility & contrast

On white

8.41

#3543A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3543A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543A5

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543A5	#FFFFFF	#000000	##FFFFFF
##3543A5	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3543a5;
/* rgb */ color: rgb(53, 67, 165);
/* oklch */ color: oklch(43.2% 0.157 271.9);

Tailwind

colors: {
  custom: {
    50: '#7a77c0',
    500: '#3543a5',
    950: '#000000',
  },
}

SCSS

$custom: #3543a5;
$custom-light: #7a77c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3543a5",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 165
  },
  "hsl": {
    "h": 232.5,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43218,
    "c": 0.15746,
    "h": 271.9
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#3543A5

secondary

#BFB677

accent

#C94DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3543A5

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

Preview Lab → · Contrast checker → · Palette generator →