#3933BD#3933BD

#3933BD is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.206 H 275.3°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3933BD
RGB	rgb(57, 51, 189)
HSL	hsl(243, 58%, 47%)
HSV	hsv(243, 73%, 74%)
CMYK	cmyk(69.8%, 73%, 0%, 25.9%)
CIE-LAB	lab(31.60, 46.02, -71.02)
CIE-LCH	lch(31.60, 84.63, 302.94°)
OKLab	oklab(43% 0.0189 -0.2053)
OKLCH	oklch(43% 0.206 275.3)
XYZ	xyz(12.0534, 6.9105, 48.8329)
Luminance	0.0691 (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

#3933BD #B7BD33

analogous

#3372BD #3933BD #7E33BD

triadic

#3933BD #BD3933 #33BD39

tetradic

#3933BD #BD3372 #B7BD33 #33BD7E

square

#3933BD #BD3372 #B7BD33 #33BD7E

split-complementary

#3933BD #BD7E33 #72BD33

monochromatic

#1C195D #2A268D #3933BD #605BD3 #8E8BE0

Accessibility & contrast

On white

8.81

#3933BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3933BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933BD

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933BD	#FFFFFF	#000000	##FFFFFF
##3933BD	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C1

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3933bd;
/* rgb */ color: rgb(57, 51, 189);
/* oklch */ color: oklch(43.0% 0.206 275.3);

Tailwind

colors: {
  custom: {
    50: '#826cd2',
    500: '#3933bd',
    950: '#000000',
  },
}

SCSS

$custom: #3933bd;
$custom-light: #826cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3933bd",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 242.609,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43004,
    "c": 0.20617,
    "h": 275.3
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#3933BD

secondary

#C7CA82

accent

#E147DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3933BD

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

Preview Lab → · Contrast checker → · Palette generator →