#3537AF#3537AF

#3537AF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.185 H 274.2°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3537AF
RGB	rgb(53, 55, 175)
HSL	hsl(239, 54%, 45%)
HSV	hsv(239, 70%, 69%)
CMYK	cmyk(69.7%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(30.84, 38.55, -63.97)
CIE-LCH	lch(30.84, 74.69, 301.07°)
OKLab	oklab(41.98% 0.0137 -0.1848)
OKLCH	oklch(41.98% 0.185 274.2)
XYZ	xyz(10.5697, 6.5834, 41.2628)
Luminance	0.0658 (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

#3537AF #AFAD35

analogous

#3574AF #3537AF #7035AF

triadic

#3537AF #AF3537 #37AF35

tetradic

#3537AF #AF3574 #AFAD35 #35AF70

square

#3537AF #AF3574 #AFAD35 #35AF70

split-complementary

#3537AF #AF7035 #74AF35

monochromatic

#191951 #272880 #3537AF #5657CC #8586DA

Accessibility & contrast

On white

9.06

#3537AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3537AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537AF

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537AF	#FFFFFF	#000000	##FFFFFF
##3537AF	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3537af;
/* rgb */ color: rgb(53, 55, 175);
/* oklch */ color: oklch(42.0% 0.185 274.2);

Tailwind

colors: {
  custom: {
    50: '#7d6ec8',
    500: '#3537af',
    950: '#000000',
  },
}

SCSS

$custom: #3537af;
$custom-light: #7d6ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#3537af",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 239.016,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4198,
    "c": 0.18536,
    "h": 274.2
  },
  "luminance": 0.06584
}

Semantic roles & 50–950 ramp

primary

#3537AF

secondary

#C4C27C

accent

#DB4BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3537AF

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

Preview Lab → · Contrast checker → · Palette generator →