#3538B9#3538B9

#3538B9 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.197 H 273.4°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#3538B9
RGB	rgb(53, 56, 185)
HSL	hsl(239, 55%, 47%)
HSV	hsv(239, 71%, 73%)
CMYK	cmyk(71.4%, 69.7%, 0%, 27.5%)
CIE-LAB	lab(32.00, 41.36, -68.00)
CIE-LCH	lch(32.00, 79.59, 301.31°)
OKLab	oklab(43.11% 0.0118 -0.1966)
OKLCH	oklch(43.11% 0.197 273.4)
XYZ	xyz(11.6364, 7.0869, 46.6442)
Luminance	0.0709 (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

#3538B9 #B9B635

analogous

#357AB9 #3538B9 #7435B9

triadic

#3538B9 #B93538 #38B935

tetradic

#3538B9 #B9357A #B9B635 #35B974

square

#3538B9 #B9357A #B9B635 #35B974

split-complementary

#3538B9 #B97435 #7AB935

monochromatic

#1A1B5A #272A89 #3538B9 #5B5ED0 #8B8DDE

Accessibility & contrast

On white

8.69

#3538B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3538B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538B9

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538B9	#FFFFFF	#000000	##FFFFFF
##3538B9	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3538b9;
/* rgb */ color: rgb(53, 56, 185);
/* oklch */ color: oklch(43.1% 0.197 273.4);

Tailwind

colors: {
  custom: {
    50: '#7f6fcf',
    500: '#3538b9',
    950: '#000000',
  },
}

SCSS

$custom: #3538b9;
$custom-light: #7f6fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3538b9",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 185
  },
  "hsl": {
    "h": 238.636,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43106,
    "c": 0.19697,
    "h": 273.4
  },
  "luminance": 0.07088
}

Semantic roles & 50–950 ramp

primary

#3538B9

secondary

#C8C682

accent

#DB49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3538B9

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

Preview Lab → · Contrast checker → · Palette generator →