#3549B7#3549B7

#3549B7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.175 H 270.1°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#3549B7
RGB	rgb(53, 73, 183)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 72%)
CMYK	cmyk(71%, 60.1%, 0%, 28.2%)
CIE-LAB	lab(35.87, 29.99, -60.49)
CIE-LCH	lch(35.87, 67.52, 296.37°)
OKLab	oklab(45.88% 0.0004 -0.1745)
OKLCH	oklch(45.88% 0.175 270.1)
XYZ	xyz(12.3951, 8.9396, 45.8629)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B7 #B7A335

analogous

#358AB7 #3549B7 #6235B7

triadic

#3549B7 #B73549 #49B735

tetradic

#3549B7 #B7358A #B7A335 #35B762

square

#3549B7 #B7358A #B7A335 #35B762

split-complementary

#3549B7 #B76235 #8AB735

monochromatic

#1A2358 #273688 #3549B7 #5A6CCF #8996DD

Accessibility & contrast

On white

7.53

#3549B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3549B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B7

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B7	#FFFFFF	#000000	##FFFFFF
##3549B7	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBB

Deuteranopia (green-blind)

#004FB5

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3549b7;
/* rgb */ color: rgb(53, 73, 183);
/* oklch */ color: oklch(45.9% 0.175 270.1);

Tailwind

colors: {
  custom: {
    50: '#7e7bcd',
    500: '#3549b7',
    950: '#000000',
  },
}

SCSS

$custom: #3549b7;
$custom-light: #7e7bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b7",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 183
  },
  "hsl": {
    "h": 230.769,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45879,
    "c": 0.17453,
    "h": 270.1
  },
  "luminance": 0.08941
}

Semantic roles & 50–950 ramp

primary

#3549B7

secondary

#C7BC81

accent

#C749DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3549B7

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

Preview Lab → · Contrast checker → · Palette generator →