#3933C1#3933C1

#3933C1 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.211 H 274.9°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#3933C1
RGB	rgb(57, 51, 193)
HSL	hsl(243, 58%, 48%)
HSV	hsv(243, 74%, 76%)
CMYK	cmyk(70.5%, 73.6%, 0%, 24.3%)
CIE-LAB	lab(32.00, 47.32, -72.71)
CIE-LCH	lch(32.00, 86.75, 303.05°)
OKLab	oklab(43.41% 0.0181 -0.2102)
OKLCH	oklch(43.41% 0.211 274.9)
XYZ	xyz(12.4936, 7.0866, 51.1512)
Luminance	0.0709 (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

#3933C1 #BBC133

analogous

#3374C1 #3933C1 #8033C1

triadic

#3933C1 #C13933 #33C139

tetradic

#3933C1 #C13374 #BBC133 #33C180

square

#3933C1 #C13374 #BBC133 #33C180

split-complementary

#3933C1 #C18033 #74C133

monochromatic

#1C1960 #2B2691 #3933C1 #625DD4 #918DE1

Accessibility & contrast

On white

8.69

#3933C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3933C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933C1

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933C1	#FFFFFF	#000000	##FFFFFF
##3933C1	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C5

Deuteranopia (green-blind)

#0045BE

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3933c1;
/* rgb */ color: rgb(57, 51, 193);
/* oklch */ color: oklch(43.4% 0.211 274.9);

Tailwind

colors: {
  custom: {
    50: '#836dd5',
    500: '#3933c1',
    950: '#000000',
  },
}

SCSS

$custom: #3933c1;
$custom-light: #836dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3933c1",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 242.535,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43409,
    "c": 0.21102,
    "h": 274.9
  },
  "luminance": 0.07088
}

Semantic roles & 50–950 ramp

primary

#3933C1

secondary

#C8CB84

accent

#E146DB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3933C1

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

Preview Lab → · Contrast checker → · Palette generator →