#3537D8#3537D8

#3537D8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 46.1% C 0.236 H 271.8°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#3537D8
RGB	rgb(53, 55, 216)
HSL	hsl(239, 68%, 53%)
HSV	hsv(239, 75%, 85%)
CMYK	cmyk(75.5%, 74.5%, 0%, 15.3%)
CIE-LAB	lab(34.89, 52.17, -81.33)
CIE-LCH	lch(34.89, 96.62, 302.68°)
OKLab	oklab(46.09% 0.0075 -0.2354)
OKLCH	oklch(46.09% 0.236 271.8)
XYZ	xyz(15.2249, 8.4455, 65.7802)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3537D8 #D8D635

analogous

#3588D8 #3537D8 #8535D8

triadic

#3537D8 #D83537 #37D835

tetradic

#3537D8 #D83588 #D8D635 #35D885

square

#3537D8 #D83588 #D8D635 #35D885

split-complementary

#3537D8 #D88535 #88D835

monochromatic

#18197B #2223AE #3537D8 #686AE2 #9C9DEC

Accessibility & contrast

On white

7.81

#3537D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3537D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537D8

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537D8	#FFFFFF	#000000	##FFFFFF
##3537D8	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ADD

Deuteranopia (green-blind)

#004AD5

Tritanopia (blue-blind)

#006685

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3537d8;
/* rgb */ color: rgb(53, 55, 216);
/* oklch */ color: oklch(46.1% 0.236 271.8);

Tailwind

colors: {
  custom: {
    50: '#8670e5',
    500: '#3537d8',
    950: '#000000',
  },
}

SCSS

$custom: #3537d8;
$custom-light: #8670e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3537d8",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 216
  },
  "hsl": {
    "h": 239.264,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46094,
    "c": 0.23554,
    "h": 271.8
  },
  "luminance": 0.08447
}

Semantic roles & 50–950 ramp

primary

#3537D8

secondary

#D8D791

accent

#E83DEB

background

#F9F6FE

surface

#F1ECFD

border

#CBC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3537D8

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

Preview Lab → · Contrast checker → · Palette generator →