#3549B5#3549B5

#3549B5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.172 H 270.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#3549B5
RGB	rgb(53, 73, 181)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 71%)
CMYK	cmyk(70.7%, 59.7%, 0%, 29%)
CIE-LAB	lab(35.71, 29.26, -59.57)
CIE-LCH	lch(35.71, 66.37, 296.16°)
OKLab	oklab(45.71% 0.0004 -0.1718)
OKLCH	oklch(45.71% 0.172 270.1)
XYZ	xyz(12.1884, 8.8570, 44.7743)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B5 #B5A135

analogous

#3589B5 #3549B5 #6135B5

triadic

#3549B5 #B53549 #49B535

tetradic

#3549B5 #B53589 #B5A135 #35B561

square

#3549B5 #B53589 #B5A135 #35B561

split-complementary

#3549B5 #B56135 #89B535

monochromatic

#192356 #273686 #3549B5 #596BCE #8895DC

Accessibility & contrast

On white

7.58

#3549B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3549B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B5

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B5	#FFFFFF	#000000	##FFFFFF
##3549B5	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)

#005AB9

Deuteranopia (green-blind)

#004EB3

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3549b5;
/* rgb */ color: rgb(53, 73, 181);
/* oklch */ color: oklch(45.7% 0.172 270.1);

Tailwind

colors: {
  custom: {
    50: '#7d7bcc',
    500: '#3549b5',
    950: '#000000',
  },
}

SCSS

$custom: #3549b5;
$custom-light: #7d7bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b5",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 181
  },
  "hsl": {
    "h": 230.625,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4571,
    "c": 0.17183,
    "h": 270.1
  },
  "luminance": 0.08858
}

Semantic roles & 50–950 ramp

primary

#3549B5

secondary

#C6BB80

accent

#C74ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3549B5

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

Preview Lab → · Contrast checker → · Palette generator →