#3544B9#3544B9

#3544B9 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.1% C 0.183 H 271.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3544B9
RGB	rgb(53, 68, 185)
HSL	hsl(233, 55%, 47%)
HSV	hsv(233, 71%, 73%)
CMYK	cmyk(71.4%, 63.2%, 0%, 27.5%)
CIE-LAB	lab(34.79, 33.92, -63.44)
CIE-LCH	lch(34.79, 71.94, 298.13°)
OKLab	oklab(45.13% 0.004 -0.1832)
OKLCH	oklch(45.13% 0.183 271.3)
XYZ	xyz(12.2893, 8.3927, 46.8618)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3544B9 #B9AA35

analogous

#3586B9 #3544B9 #6835B9

triadic

#3544B9 #B93544 #44B935

tetradic

#3544B9 #B93586 #B9AA35 #35B968

square

#3544B9 #B93586 #B9AA35 #35B968

split-complementary

#3544B9 #B96835 #86B935

monochromatic

#1A215A #273389 #3544B9 #5B68D0 #8B94DE

Accessibility & contrast

On white

7.84

#3544B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3544B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3544B9

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3544B9	#FFFFFF	#000000	##FFFFFF
##3544B9	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3544b9;
/* rgb */ color: rgb(53, 68, 185);
/* oklch */ color: oklch(45.1% 0.183 271.3);

Tailwind

colors: {
  custom: {
    50: '#7e78cf',
    500: '#3544b9',
    950: '#000000',
  },
}

SCSS

$custom: #3544b9;
$custom-light: #7e78cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3544b9",
  "rgb": {
    "r": 53,
    "g": 68,
    "b": 185
  },
  "hsl": {
    "h": 233.182,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45132,
    "c": 0.18325,
    "h": 271.3
  },
  "luminance": 0.08394
}

Semantic roles & 50–950 ramp

primary

#3544B9

secondary

#C8C082

accent

#CE49DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3544B9

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

Preview Lab → · Contrast checker → · Palette generator →