#3549B4#3549B4

#3549B4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.6% C 0.170 H 270.1°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3549B4
RGB	rgb(53, 73, 180)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 71%)
CMYK	cmyk(70.6%, 59.4%, 0%, 29.4%)
CIE-LAB	lab(35.63, 28.90, -59.11)
CIE-LCH	lch(35.63, 65.80, 296.05°)
OKLab	oklab(45.63% 0.0004 -0.1705)
OKLCH	oklch(45.63% 0.17 270.1)
XYZ	xyz(12.0861, 8.8161, 44.2359)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B4 #B4A035

analogous

#3588B4 #3549B4 #6035B4

triadic

#3549B4 #B43549 #49B435

tetradic

#3549B4 #B43588 #B4A035 #35B460

square

#3549B4 #B43588 #B4A035 #35B460

split-complementary

#3549B4 #B46035 #88B435

monochromatic

#192355 #273685 #3549B4 #586BCE #8895DC

Accessibility & contrast

On white

7.60

#3549B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3549B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B4

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B4	#FFFFFF	#000000	##FFFFFF
##3549B4	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3549b4;
/* rgb */ color: rgb(53, 73, 180);
/* oklch */ color: oklch(45.6% 0.170 270.1);

Tailwind

colors: {
  custom: {
    50: '#7d7bcb',
    500: '#3549b4',
    950: '#000000',
  },
}

SCSS

$custom: #3549b4;
$custom-light: #7d7bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b4",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 180
  },
  "hsl": {
    "h": 230.551,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45626,
    "c": 0.17047,
    "h": 270.1
  },
  "luminance": 0.08817
}

Semantic roles & 50–950 ramp

primary

#3549B4

secondary

#C6BB7F

accent

#C74ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3549B4

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

Preview Lab → · Contrast checker → · Palette generator →