#3933D0#3933D0

#3933D0 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 45.0% C 0.229 H 273.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#3933D0
RGB	rgb(57, 51, 208)
HSL	hsl(242, 63%, 51%)
HSV	hsv(242, 75%, 82%)
CMYK	cmyk(72.6%, 75.5%, 0%, 18.4%)
CIE-LAB	lab(33.54, 52.09, -78.93)
CIE-LCH	lch(33.54, 94.57, 303.43°)
OKLab	oklab(44.96% 0.0152 -0.2283)
OKLCH	oklch(44.96% 0.229 273.8)
XYZ	xyz(14.2525, 7.7901, 60.4148)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3933D0 #CAD033

analogous

#337BD0 #3933D0 #8733D0

triadic

#3933D0 #D03933 #33D039

tetradic

#3933D0 #D0337B #CAD033 #33D087

square

#3933D0 #D0337B #CAD033 #33D087

split-complementary

#3933D0 #D08733 #7BD033

monochromatic

#1D1A6F #2A25A1 #3933D0 #6965DB #9A96E7

Accessibility & contrast

On white

8.21

#3933D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3933D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933D0

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933D0	#FFFFFF	#000000	##FFFFFF
##3933D0	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D4

Deuteranopia (green-blind)

#0047CD

Tritanopia (blue-blind)

#006180

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3933d0;
/* rgb */ color: rgb(57, 51, 208);
/* oklch */ color: oklch(45.0% 0.229 273.8);

Tailwind

colors: {
  custom: {
    50: '#866de0',
    500: '#3933d0',
    950: '#000000',
  },
}

SCSS

$custom: #3933d0;
$custom-light: #866de0;
$custom-dark: #000000;

JSON

{
  "hex": "#3933d0",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 208
  },
  "hsl": {
    "h": 242.293,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.44955,
    "c": 0.22885,
    "h": 273.8
  },
  "luminance": 0.07792
}

Semantic roles & 50–950 ramp

primary

#3933D0

secondary

#D0D28D

accent

#E642DF

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3933D0

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

Preview Lab → · Contrast checker → · Palette generator →