#3547AD#3547AD

#3547AD is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.163 H 270.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3547AD
RGB	rgb(53, 71, 173)
HSL	hsl(231, 53%, 44%)
HSV	hsv(231, 69%, 68%)
CMYK	cmyk(69.4%, 59%, 0%, 32.2%)
CIE-LAB	lab(34.56, 27.66, -56.70)
CIE-LCH	lch(34.56, 63.09, 296.00°)
OKLab	oklab(44.66% 0.0019 -0.1634)
OKLCH	oklch(44.66% 0.163 270.7)
XYZ	xyz(11.2617, 8.2794, 40.5316)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547AD #AD9B35

analogous

#3583AD #3547AD #5F35AD

triadic

#3547AD #AD3547 #47AD35

tetradic

#3547AD #AD3583 #AD9B35 #35AD5F

square

#3547AD #AD3583 #AD9B35 #35AD5F

split-complementary

#3547AD #AD5F35 #83AD35

monochromatic

#18214F #27347E #3547AD #5466CB #8390D9

Accessibility & contrast

On white

7.91

#3547AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3547AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547AD

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547AD	#FFFFFF	#000000	##FFFFFF
##3547AD	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3547ad;
/* rgb */ color: rgb(53, 71, 173);
/* oklch */ color: oklch(44.7% 0.163 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b7ac6',
    500: '#3547ad',
    950: '#000000',
  },
}

SCSS

$custom: #3547ad;
$custom-light: #7b7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3547ad",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 231,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44656,
    "c": 0.16342,
    "h": 270.7
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary

#3547AD

secondary

#C3B87B

accent

#C74BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3547AD

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

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