#3547AA#3547AA

#3547AA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.159 H 270.7°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3547AA
RGB	rgb(53, 71, 170)
HSL	hsl(231, 52%, 44%)
HSV	hsv(231, 69%, 67%)
CMYK	cmyk(68.8%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(34.32, 26.56, -55.30)
CIE-LCH	lch(34.32, 61.35, 295.66°)
OKLab	oklab(44.41% 0.0019 -0.1593)
OKLCH	oklch(44.41% 0.159 270.7)
XYZ	xyz(10.9747, 8.1646, 39.0200)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547AA #AA9835

analogous

#3581AA #3547AA #5D35AA

triadic

#3547AA #AA3547 #47AA35

tetradic

#3547AA #AA3581 #AA9835 #35AA5D

square

#3547AA #AA3581 #AA9835 #35AA5D

split-complementary

#3547AA #AA5D35 #81AA35

monochromatic

#18204D #26347B #3547AA #5365C9 #828FD8

Accessibility & contrast

On white

7.98

#3547AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3547AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547AA

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547AA	#FFFFFF	#000000	##FFFFFF
##3547AA	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004CA8

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3547aa;
/* rgb */ color: rgb(53, 71, 170);
/* oklch */ color: oklch(44.4% 0.159 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b7ac4',
    500: '#3547aa',
    950: '#000000',
  },
}

SCSS

$custom: #3547aa;
$custom-light: #7b7ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3547aa",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 230.769,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44408,
    "c": 0.15929,
    "h": 270.7
  },
  "luminance": 0.08166
}

Semantic roles & 50–950 ramp

primary

#3547AA

secondary

#C1B67A

accent

#C64CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3547AA

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

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