#3547B0#3547B0

#3547B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.168 H 270.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3547B0
RGB	rgb(53, 71, 176)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 69%)
CMYK	cmyk(69.9%, 59.7%, 0%, 31%)
CIE-LAB	lab(34.80, 28.75, -58.10)
CIE-LCH	lch(34.80, 64.82, 296.33°)
OKLab	oklab(44.91% 0.002 -0.1675)
OKLCH	oklch(44.91% 0.168 270.7)
XYZ	xyz(11.5552, 8.3968, 42.0777)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547B0 #B09E35

analogous

#3584B0 #3547B0 #6135B0

triadic

#3547B0 #B03547 #47B035

tetradic

#3547B0 #B03584 #B09E35 #35B061

square

#3547B0 #B03584 #B09E35 #35B061

split-complementary

#3547B0 #B06135 #84B035

monochromatic

#192152 #273481 #3547B0 #5667CC #8592DA

Accessibility & contrast

On white

7.84

#3547B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3547B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547B0

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547B0	#FFFFFF	#000000	##FFFFFF
##3547B0	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3547b0;
/* rgb */ color: rgb(53, 71, 176);
/* oklch */ color: oklch(44.9% 0.168 270.7);

Tailwind

colors: {
  custom: {
    50: '#7c7ac8',
    500: '#3547b0',
    950: '#000000',
  },
}

SCSS

$custom: #3547b0;
$custom-light: #7c7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3547b0",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 176
  },
  "hsl": {
    "h": 231.22,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44908,
    "c": 0.16752,
    "h": 270.7
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#3547B0

secondary

#C4BA7D

accent

#C84BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3547B0

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

Preview Lab → · Contrast checker → · Palette generator →