#3537C0#3537C0

#3537C0 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.207 H 273.2°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3537C0
RGB	rgb(53, 55, 192)
HSL	hsl(239, 57%, 48%)
HSV	hsv(239, 72%, 75%)
CMYK	cmyk(72.4%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(32.47, 44.31, -71.37)
CIE-LCH	lch(32.47, 84.00, 301.83°)
OKLab	oklab(43.64% 0.0114 -0.2064)
OKLCH	oklch(43.64% 0.207 273.2)
XYZ	xyz(12.3456, 7.2938, 50.6162)
Luminance	0.0730 (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

#3537C0 #C0BE35

analogous

#357CC0 #3537C0 #7935C0

triadic

#3537C0 #C03537 #37C035

tetradic

#3537C0 #C0357C #C0BE35 #35C079

square

#3537C0 #C0357C #C0BE35 #35C079

split-complementary

#3537C0 #C07935 #7CC035

monochromatic

#1B1C60 #282990 #3537C0 #5F61D3 #8F90E0

Accessibility & contrast

On white

8.54

#3537C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3537C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537C0

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537C0	#FFFFFF	#000000	##FFFFFF
##3537C0	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C4

Deuteranopia (green-blind)

#0046BE

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3537c0;
/* rgb */ color: rgb(53, 55, 192);
/* oklch */ color: oklch(43.6% 0.207 273.2);

Tailwind

colors: {
  custom: {
    50: '#816fd4',
    500: '#3537c0',
    950: '#000000',
  },
}

SCSS

$custom: #3537c0;
$custom-light: #816fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3537c0",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 239.137,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43643,
    "c": 0.20675,
    "h": 273.2
  },
  "luminance": 0.07295
}

Semantic roles & 50–950 ramp

primary

#3537C0

secondary

#CBCA86

accent

#DE48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3537C0

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

Preview Lab → · Contrast checker → · Palette generator →