#3547B1#3547B1

#3547B1 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.169 H 270.7°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3547B1
RGB	rgb(53, 71, 177)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 69%)
CMYK	cmyk(70.1%, 59.9%, 0%, 30.6%)
CIE-LAB	lab(34.88, 29.11, -58.56)
CIE-LCH	lch(34.88, 65.40, 296.43°)
OKLab	oklab(44.99% 0.002 -0.1689)
OKLCH	oklch(44.99% 0.169 270.7)
XYZ	xyz(11.6546, 8.4365, 42.6007)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547B1 #B19F35

analogous

#3585B1 #3547B1 #6135B1

triadic

#3547B1 #B13547 #47B135

tetradic

#3547B1 #B13585 #B19F35 #35B161

square

#3547B1 #B13585 #B19F35 #35B161

split-complementary

#3547B1 #B16135 #85B135

monochromatic

#192153 #273482 #3547B1 #5768CD #8692DB

Accessibility & contrast

On white

7.81

#3547B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3547B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547B1

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547B1	#FFFFFF	#000000	##FFFFFF
##3547B1	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B5

Deuteranopia (green-blind)

#004CAF

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3547b1;
/* rgb */ color: rgb(53, 71, 177);
/* oklch */ color: oklch(45.0% 0.169 270.7);

Tailwind

colors: {
  custom: {
    50: '#7c7ac9',
    500: '#3547b1',
    950: '#000000',
  },
}

SCSS

$custom: #3547b1;
$custom-light: #7c7ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3547b1",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 177
  },
  "hsl": {
    "h": 231.29,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44992,
    "c": 0.16888,
    "h": 270.7
  },
  "luminance": 0.08438
}

Semantic roles & 50–950 ramp

primary

#3547B1

secondary

#C4BA7D

accent

#C84BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3547B1

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

Preview Lab → · Contrast checker → · Palette generator →