#3537D0#3537D0

#3537D0 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.3% C 0.226 H 272.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3537D0
RGB	rgb(53, 55, 208)
HSL	hsl(239, 62%, 51%)
HSV	hsv(239, 75%, 82%)
CMYK	cmyk(74.5%, 73.6%, 0%, 18.4%)
CIE-LAB	lab(34.07, 49.59, -78.06)
CIE-LCH	lch(34.07, 92.48, 302.43°)
OKLab	oklab(45.27% 0.0088 -0.2259)
OKLCH	oklch(45.27% 0.226 272.2)
XYZ	xyz(14.2157, 8.0418, 60.4653)
Luminance	0.0804 (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

#3537D0 #D0CE35

analogous

#3584D0 #3537D0 #8035D0

triadic

#3537D0 #D03537 #37D035

tetradic

#3537D0 #D03584 #D0CE35 #35D080

square

#3537D0 #D03584 #D0CE35 #35D080

split-complementary

#3537D0 #D08035 #84D035

monochromatic

#1A1B70 #2627A2 #3537D0 #6768DC #9899E7

Accessibility & contrast

On white

8.05

#3537D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3537D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537D0

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537D0	#FFFFFF	#000000	##FFFFFF
##3537D0	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D4

Deuteranopia (green-blind)

#0048CD

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3537d0;
/* rgb */ color: rgb(53, 55, 208);
/* oklch */ color: oklch(45.3% 0.226 272.2);

Tailwind

colors: {
  custom: {
    50: '#8570e0',
    500: '#3537d0',
    950: '#000000',
  },
}

SCSS

$custom: #3537d0;
$custom-light: #8570e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3537d0",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 208
  },
  "hsl": {
    "h": 239.226,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45265,
    "c": 0.22611,
    "h": 272.2
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#3537D0

secondary

#D3D28E

accent

#E342E5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3537D0

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

Preview Lab → · Contrast checker → · Palette generator →