#3536B9#3536B9

#3536B9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.199 H 273.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3536B9
RGB	rgb(53, 54, 185)
HSL	hsl(240, 55%, 47%)
HSV	hsv(240, 71%, 73%)
CMYK	cmyk(71.4%, 70.8%, 0%, 27.5%)
CIE-LAB	lab(31.57, 42.55, -68.71)
CIE-LCH	lch(31.57, 80.82, 301.77°)
OKLab	oklab(42.8% 0.013 -0.1987)
OKLCH	oklch(42.8% 0.199 273.7)
XYZ	xyz(11.5414, 6.8969, 46.6125)
Luminance	0.0690 (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

#3536B9 #B9B835

analogous

#3578B9 #3536B9 #7635B9

triadic

#3536B9 #B93536 #36B935

tetradic

#3536B9 #B93578 #B9B835 #35B976

square

#3536B9 #B93578 #B9B835 #35B976

split-complementary

#3536B9 #B97635 #78B935

monochromatic

#1A1A5A #272889 #3536B9 #5B5CD0 #8B8BDE

Accessibility & contrast

On white

8.83

#3536B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3536B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3536B9

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3536B9	#FFFFFF	#000000	##FFFFFF
##3536B9	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BD

Deuteranopia (green-blind)

#0044B7

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3536b9;
/* rgb */ color: rgb(53, 54, 185);
/* oklch */ color: oklch(42.8% 0.199 273.7);

Tailwind

colors: {
  custom: {
    50: '#806ecf',
    500: '#3536b9',
    950: '#000000',
  },
}

SCSS

$custom: #3536b9;
$custom-light: #806ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3536b9",
  "rgb": {
    "r": 53,
    "g": 54,
    "b": 185
  },
  "hsl": {
    "h": 239.545,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42795,
    "c": 0.19911,
    "h": 273.7
  },
  "luminance": 0.06898
}

Semantic roles & 50–950 ramp

primary

#3536B9

secondary

#C8C782

accent

#DE49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3536B9

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

Preview Lab → · Contrast checker → · Palette generator →