#3537D3#3537D3

#3537D3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.6% C 0.230 H 272.1°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3537D3
RGB	rgb(53, 55, 211)
HSL	hsl(239, 64%, 52%)
HSV	hsv(239, 75%, 83%)
CMYK	cmyk(74.9%, 73.9%, 0%, 17.3%)
CIE-LAB	lab(34.38, 50.56, -79.29)
CIE-LCH	lch(34.38, 94.04, 302.52°)
OKLab	oklab(45.58% 0.0083 -0.2295)
OKLCH	oklch(45.58% 0.23 272.1)
XYZ	xyz(14.5883, 8.1909, 62.4275)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.50

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3537D3 #D3D135

analogous

#3586D3 #3537D3 #8235D3

triadic

#3537D3 #D33537 #37D335

tetradic

#3537D3 #D33586 #D3D135 #35D382

square

#3537D3 #D33586 #D3D135 #35D382

split-complementary

#3537D3 #D38235 #86D335

monochromatic

#191A74 #2426A7 #3537D3 #6769DE #9A9BE9

Accessibility & contrast

On white

7.96

#3537D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3537D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537D3

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537D3	#FFFFFF	#000000	##FFFFFF
##3537D3	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D8

Deuteranopia (green-blind)

#0049D0

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3537d3;
/* rgb */ color: rgb(53, 55, 211);
/* oklch */ color: oklch(45.6% 0.230 272.1);

Tailwind

colors: {
  custom: {
    50: '#8570e2',
    500: '#3537d3',
    950: '#000000',
  },
}

SCSS

$custom: #3537d3;
$custom-light: #8570e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3537d3",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 211
  },
  "hsl": {
    "h": 239.241,
    "s": 64.228,
    "l": 51.765
  },
  "oklch": {
    "l": 0.45575,
    "c": 0.22967,
    "h": 272.1
  },
  "luminance": 0.08192
}

Semantic roles & 50–950 ramp

primary

#3537D3

secondary

#D5D48F

accent

#E541E7

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0716

muted

#7E7A84

Preview Lab

Preview with #3537D3

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

Preview Lab → · Contrast checker → · Palette generator →