#3545A3#3545A3

#3545A3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.152 H 271.3°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3545A3
RGB	rgb(53, 69, 163)
HSL	hsl(231, 51%, 42%)
HSV	hsv(231, 67%, 64%)
CMYK	cmyk(67.5%, 57.7%, 0%, 36.1%)
CIE-LAB	lab(33.26, 25.33, -52.83)
CIE-LCH	lch(33.26, 58.59, 295.61°)
OKLab	oklab(43.44% 0.0035 -0.1521)
OKLCH	oklch(43.44% 0.152 271.3)
XYZ	xyz(10.2049, 7.6565, 35.5833)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545A3 #A39335

analogous

#357CA3 #3545A3 #5C35A3

triadic

#3545A3 #A33545 #45A335

tetradic

#3545A3 #A3357C #A39335 #35A35C

square

#3545A3 #A3357C #A39335 #35A35C

split-complementary

#3545A3 #A35C35 #7CA335

monochromatic

#171E47 #263175 #3545A3 #4F61C6 #7E8AD5

Accessibility & contrast

On white

8.30

#3545A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3545A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545A3

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545A3	#FFFFFF	#000000	##FFFFFF
##3545A3	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A6

Deuteranopia (green-blind)

#0049A1

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3545a3;
/* rgb */ color: rgb(53, 69, 163);
/* oklch */ color: oklch(43.4% 0.152 271.3);

Tailwind

colors: {
  custom: {
    50: '#7978bf',
    500: '#3545a3',
    950: '#000000',
  },
}

SCSS

$custom: #3545a3;
$custom-light: #7978bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3545a3",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 163
  },
  "hsl": {
    "h": 231.273,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43442,
    "c": 0.15211,
    "h": 271.3
  },
  "luminance": 0.07657
}

Semantic roles & 50–950 ramp

primary

#3545A3

secondary

#BEB376

accent

#C64DDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3545A3

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

Preview Lab → · Contrast checker → · Palette generator →