#3549B8#3549B8

#3549B8 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.176 H 270.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3549B8
RGB	rgb(53, 73, 184)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 72%)
CMYK	cmyk(71.2%, 60.3%, 0%, 27.8%)
CIE-LAB	lab(35.95, 30.35, -60.95)
CIE-LCH	lch(35.95, 68.09, 296.47°)
OKLab	oklab(45.96% 0.0004 -0.1759)
OKLCH	oklch(45.96% 0.176 270.1)
XYZ	xyz(12.4995, 8.9814, 46.4130)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3549B8 #B8A435

analogous

#358BB8 #3549B8 #6335B8

triadic

#3549B8 #B83549 #49B835

tetradic

#3549B8 #B8358B #B8A435 #35B863

square

#3549B8 #B8358B #B8A435 #35B863

split-complementary

#3549B8 #B86335 #8BB835

monochromatic

#1A2359 #273688 #3549B8 #5B6CD0 #8A97DD

Accessibility & contrast

On white

7.51

#3549B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3549B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3549B8

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3549B8	#FFFFFF	#000000	##FFFFFF
##3549B8	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBC

Deuteranopia (green-blind)

#004FB6

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3549b8;
/* rgb */ color: rgb(53, 73, 184);
/* oklch */ color: oklch(46.0% 0.176 270.1);

Tailwind

colors: {
  custom: {
    50: '#7e7bce',
    500: '#3549b8',
    950: '#000000',
  },
}

SCSS

$custom: #3549b8;
$custom-light: #7e7bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3549b8",
  "rgb": {
    "r": 53,
    "g": 73,
    "b": 184
  },
  "hsl": {
    "h": 230.84,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45964,
    "c": 0.17587,
    "h": 270.1
  },
  "luminance": 0.08983
}

Semantic roles & 50–950 ramp

primary

#3549B8

secondary

#C7BD81

accent

#C849DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3549B8

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

Preview Lab → · Contrast checker → · Palette generator →