#3538B5#3538B5

#3538B5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.192 H 273.7°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3538B5
RGB	rgb(53, 56, 181)
HSL	hsl(239, 55%, 46%)
HSV	hsv(239, 71%, 71%)
CMYK	cmyk(70.7%, 69.1%, 0%, 29%)
CIE-LAB	lab(31.62, 40.00, -66.26)
CIE-LCH	lch(31.62, 77.39, 301.12°)
OKLab	oklab(42.72% 0.0123 -0.1915)
OKLCH	oklch(42.72% 0.192 273.7)
XYZ	xyz(11.2201, 6.9203, 44.4516)
Luminance	0.0692 (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

#3538B5 #B5B235

analogous

#3578B5 #3538B5 #7235B5

triadic

#3538B5 #B53538 #38B535

tetradic

#3538B5 #B53578 #B5B235 #35B572

square

#3538B5 #B53578 #B5B235 #35B572

split-complementary

#3538B5 #B57235 #78B535

monochromatic

#191B56 #272986 #3538B5 #595CCE #888ADC

Accessibility & contrast

On white

8.81

#3538B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3538B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538B5

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538B5	#FFFFFF	#000000	##FFFFFF
##3538B5	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3538b5;
/* rgb */ color: rgb(53, 56, 181);
/* oklch */ color: oklch(42.7% 0.192 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e6fcc',
    500: '#3538b5',
    950: '#000000',
  },
}

SCSS

$custom: #3538b5;
$custom-light: #7e6fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3538b5",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 181
  },
  "hsl": {
    "h": 238.594,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42718,
    "c": 0.19191,
    "h": 273.7
  },
  "luminance": 0.06921
}

Semantic roles & 50–950 ramp

primary

#3538B5

secondary

#C6C580

accent

#DB4ADE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3538B5

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

Preview Lab → · Contrast checker → · Palette generator →