#3537C3#3537C3

#3537C3 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.210 H 273.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3537C3
RGB	rgb(53, 55, 195)
HSL	hsl(239, 57%, 49%)
HSV	hsv(239, 73%, 76%)
CMYK	cmyk(72.8%, 71.8%, 0%, 23.5%)
CIE-LAB	lab(32.76, 45.31, -72.64)
CIE-LCH	lch(32.76, 85.62, 301.95°)
OKLab	oklab(43.94% 0.0109 -0.2101)
OKLCH	oklch(43.94% 0.21 273)
XYZ	xyz(12.6814, 7.4281, 52.3846)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3537C3 #C3C135

analogous

#357EC3 #3537C3 #7A35C3

triadic

#3537C3 #C33537 #37C335

tetradic

#3537C3 #C3357E #C3C135 #35C37A

square

#3537C3 #C3357E #C3C135 #35C37A

split-complementary

#3537C3 #C37A35 #7EC335

monochromatic

#1B1C63 #282993 #3537C3 #6163D4 #9192E1

Accessibility & contrast

On white

8.45

#3537C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3537C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537C3

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537C3	#FFFFFF	#000000	##FFFFFF
##3537C3	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C7

Deuteranopia (green-blind)

#0046C0

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3537c3;
/* rgb */ color: rgb(53, 55, 195);
/* oklch */ color: oklch(43.9% 0.210 273.0);

Tailwind

colors: {
  custom: {
    50: '#826fd6',
    500: '#3537c3',
    950: '#000000',
  },
}

SCSS

$custom: #3537c3;
$custom-light: #826fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3537c3",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 239.155,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43943,
    "c": 0.21043,
    "h": 273
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#3537C3

secondary

#CCCB88

accent

#DE47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3537C3

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

Preview Lab → · Contrast checker → · Palette generator →