#3547BB#3547BB

#3547BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.182 H 270.6°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#3547BB
RGB	rgb(53, 71, 187)
HSL	hsl(232, 56%, 47%)
HSV	hsv(232, 72%, 73%)
CMYK	cmyk(71.7%, 62%, 0%, 26.7%)
CIE-LAB	lab(35.69, 32.72, -63.13)
CIE-LCH	lch(35.69, 71.11, 297.40°)
OKLab	oklab(45.85% 0.0018 -0.1823)
OKLCH	oklch(45.85% 0.182 270.6)
XYZ	xyz(12.6880, 8.8499, 48.0436)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547BB #BBA935

analogous

#358ABB #3547BB #6635BB

triadic

#3547BB #BB3547 #47BB35

tetradic

#3547BB #BB358A #BBA935 #35BB66

square

#3547BB #BB358A #BBA935 #35BB66

split-complementary

#3547BB #BB6635 #8ABB35

monochromatic

#1A235C #27358B #3547BB #5C6CD1 #8C97DE

Accessibility & contrast

On white

7.58

#3547BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3547BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547BB

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547BB	#FFFFFF	#000000	##FFFFFF
##3547BB	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3547bb;
/* rgb */ color: rgb(53, 71, 187);
/* oklch */ color: oklch(45.9% 0.182 270.6);

Tailwind

colors: {
  custom: {
    50: '#7f7ad0',
    500: '#3547bb',
    950: '#000000',
  },
}

SCSS

$custom: #3547bb;
$custom-light: #7f7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3547bb",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 231.94,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45852,
    "c": 0.1823,
    "h": 270.6
  },
  "luminance": 0.08851
}

Semantic roles & 50–950 ramp

primary

#3547BB

secondary

#C9BF83

accent

#CB49DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3547BB

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

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