#3545A9#3545A9

#3545A9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.160 H 271.3°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#3545A9
RGB	rgb(53, 69, 169)
HSL	hsl(232, 52%, 44%)
HSV	hsv(232, 69%, 66%)
CMYK	cmyk(68.6%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(33.72, 27.51, -55.67)
CIE-LCH	lch(33.72, 62.10, 296.30°)
OKLab	oklab(43.94% 0.0036 -0.1604)
OKLCH	oklch(43.94% 0.16 271.3)
XYZ	xyz(10.7553, 7.8767, 38.4820)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545A9 #A99935

analogous

#357FA9 #3545A9 #5F35A9

triadic

#3545A9 #A93545 #45A935

tetradic

#3545A9 #A9357F #A99935 #35A95F

square

#3545A9 #A9357F #A99935 #35A95F

split-complementary

#3545A9 #A95F35 #7FA935

monochromatic

#181F4C #26327A #3545A9 #5263C9 #818DD7

Accessibility & contrast

On white

8.15

#3545A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3545A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545A9

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545A9	#FFFFFF	#000000	##FFFFFF
##3545A9	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AC

Deuteranopia (green-blind)

#004AA7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3545a9;
/* rgb */ color: rgb(53, 69, 169);
/* oklch */ color: oklch(43.9% 0.160 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b78c3',
    500: '#3545a9',
    950: '#000000',
  },
}

SCSS

$custom: #3545a9;
$custom-light: #7b78c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3545a9",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 231.724,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43937,
    "c": 0.16045,
    "h": 271.3
  },
  "luminance": 0.07878
}

Semantic roles & 50–950 ramp

primary

#3545A9

secondary

#C1B779

accent

#C84CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3545A9

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

Preview Lab → · Contrast checker → · Palette generator →