#3545A1#3545A1

#3545A1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.149 H 271.3°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3545A1
RGB	rgb(53, 69, 161)
HSL	hsl(231, 50%, 42%)
HSV	hsv(231, 67%, 63%)
CMYK	cmyk(67.1%, 57.1%, 0%, 36.9%)
CIE-LAB	lab(33.10, 24.60, -51.88)
CIE-LCH	lch(33.10, 57.42, 295.37°)
OKLab	oklab(43.28% 0.0034 -0.1493)
OKLCH	oklch(43.28% 0.149 271.3)
XYZ	xyz(10.0272, 7.5854, 34.6470)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545A1 #A19135

analogous

#357BA1 #3545A1 #5B35A1

triadic

#3545A1 #A13545 #45A135

tetradic

#3545A1 #A1357B #A19135 #35A15B

square

#3545A1 #A1357B #A19135 #35A15B

split-complementary

#3545A1 #A15B35 #7BA135

monochromatic

#171E45 #263173 #3545A1 #4E60C5 #7C89D4

Accessibility & contrast

On white

8.34

#3545A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3545A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545A1

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545A1	#FFFFFF	#000000	##FFFFFF
##3545A1	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A4

Deuteranopia (green-blind)

#00499F

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3545a1;
/* rgb */ color: rgb(53, 69, 161);
/* oklch */ color: oklch(43.3% 0.149 271.3);

Tailwind

colors: {
  custom: {
    50: '#7978bd',
    500: '#3545a1',
    950: '#000000',
  },
}

SCSS

$custom: #3545a1;
$custom-light: #7978bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3545a1",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 161
  },
  "hsl": {
    "h": 231.111,
    "s": 50.467,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43279,
    "c": 0.1493,
    "h": 271.3
  },
  "luminance": 0.07586
}

Semantic roles & 50–950 ramp

primary

#3545A1

secondary

#BDB275

accent

#C54EDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3545A1

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

Preview Lab → · Contrast checker → · Palette generator →