#3539B5#3539B5

#3539B5 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.191 H 273.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3539B5
RGB	rgb(53, 57, 181)
HSL	hsl(238, 55%, 46%)
HSV	hsv(238, 71%, 71%)
CMYK	cmyk(70.7%, 68.5%, 0%, 29%)
CIE-LAB	lab(31.85, 39.39, -65.89)
CIE-LCH	lch(31.85, 76.77, 300.87°)
OKLab	oklab(42.88% 0.0117 -0.1904)
OKLCH	oklch(42.88% 0.191 273.5)
XYZ	xyz(11.2690, 7.0182, 44.4679)
Luminance	0.0702 (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

#3539B5 #B5B135

analogous

#3579B5 #3539B5 #7135B5

triadic

#3539B5 #B53539 #39B535

tetradic

#3539B5 #B53579 #B5B135 #35B571

square

#3539B5 #B53579 #B5B135 #35B571

split-complementary

#3539B5 #B57135 #79B535

monochromatic

#191B56 #272A86 #3539B5 #595DCE #888BDC

Accessibility & contrast

On white

8.74

#3539B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3539B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3539B5

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3539B5	#FFFFFF	#000000	##FFFFFF
##3539B5	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B9

Deuteranopia (green-blind)

#0045B3

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3539b5;
/* rgb */ color: rgb(53, 57, 181);
/* oklch */ color: oklch(42.9% 0.191 273.5);

Tailwind

colors: {
  custom: {
    50: '#7e70cc',
    500: '#3539b5',
    950: '#000000',
  },
}

SCSS

$custom: #3539b5;
$custom-light: #7e70cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3539b5",
  "rgb": {
    "r": 53,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 238.125,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42879,
    "c": 0.1908,
    "h": 273.5
  },
  "luminance": 0.07019
}

Semantic roles & 50–950 ramp

primary

#3539B5

secondary

#C6C480

accent

#D94ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3539B5

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

Preview Lab → · Contrast checker → · Palette generator →