#3539AE#3539AE

#3539AE is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.182 H 273.9°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#3539AE
RGB	rgb(53, 57, 174)
HSL	hsl(238, 53%, 45%)
HSV	hsv(238, 70%, 68%)
CMYK	cmyk(69.5%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(31.20, 36.97, -62.78)
CIE-LCH	lch(31.20, 72.86, 300.50°)
OKLab	oklab(42.22% 0.0125 -0.1813)
OKLCH	oklch(42.22% 0.182 273.9)
XYZ	xyz(10.5688, 6.7381, 40.7798)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3539AE #AEAA35

analogous

#3575AE #3539AE #6E35AE

triadic

#3539AE #AE3539 #39AE35

tetradic

#3539AE #AE3575 #AEAA35 #35AE6E

square

#3539AE #AE3575 #AEAA35 #35AE6E

split-complementary

#3539AE #AE6E35 #75AE35

monochromatic

#181A50 #272A7F #3539AE #5559CB #8487DA

Accessibility & contrast

On white

8.94

#3539AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3539AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539AE

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539AE	#FFFFFF	#000000	##FFFFFF
##3539AE	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3539ae;
/* rgb */ color: rgb(53, 57, 174);
/* oklch */ color: oklch(42.2% 0.182 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d70c7',
    500: '#3539ae',
    950: '#000000',
  },
}

SCSS

$custom: #3539ae;
$custom-light: #7d70c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3539ae",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 238.017,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42215,
    "c": 0.18178,
    "h": 273.9
  },
  "luminance": 0.06739
}

Semantic roles & 50–950 ramp

primary

#3539AE

secondary

#C3C17C

accent

#D84BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3539AE

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

Preview Lab → · Contrast checker → · Palette generator →