#3547A9#3547A9

#3547A9 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.3% C 0.158 H 270.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3547A9
RGB	rgb(53, 71, 169)
HSL	hsl(231, 52%, 44%)
HSV	hsv(231, 69%, 66%)
CMYK	cmyk(68.6%, 58%, 0%, 33.7%)
CIE-LAB	lab(34.25, 26.20, -54.82)
CIE-LCH	lch(34.25, 60.76, 295.54°)
OKLab	oklab(44.33% 0.0019 -0.1579)
OKLCH	oklch(44.33% 0.158 270.7)
XYZ	xyz(10.8804, 8.1269, 38.5237)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547A9 #A99735

analogous

#3581A9 #3547A9 #5D35A9

triadic

#3547A9 #A93547 #47A935

tetradic

#3547A9 #A93581 #A99735 #35A95D

square

#3547A9 #A93581 #A99735 #35A95D

split-complementary

#3547A9 #A95D35 #81A935

monochromatic

#18204C #26337A #3547A9 #5265C9 #818ED7

Accessibility & contrast

On white

8.00

#3547A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3547A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547A9

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547A9	#FFFFFF	#000000	##FFFFFF
##3547A9	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AC

Deuteranopia (green-blind)

#004BA7

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3547a9;
/* rgb */ color: rgb(53, 71, 169);
/* oklch */ color: oklch(44.3% 0.158 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b7ac3',
    500: '#3547a9',
    950: '#000000',
  },
}

SCSS

$custom: #3547a9;
$custom-light: #7b7ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#3547a9",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 169
  },
  "hsl": {
    "h": 230.69,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44325,
    "c": 0.1579,
    "h": 270.7
  },
  "luminance": 0.08128
}

Semantic roles & 50–950 ramp

primary

#3547A9

secondary

#C1B679

accent

#C54CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3547A9

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

Preview Lab → · Contrast checker → · Palette generator →