#3933C9#3933C9

#3933C9 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.2% C 0.221 H 274.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3933C9
RGB	rgb(57, 51, 201)
HSL	hsl(242, 60%, 49%)
HSV	hsv(242, 75%, 79%)
CMYK	cmyk(71.6%, 74.6%, 0%, 21.2%)
CIE-LAB	lab(32.82, 49.88, -76.05)
CIE-LCH	lch(32.82, 90.95, 303.26°)
OKLab	oklab(44.23% 0.0166 -0.22)
OKLCH	oklch(44.23% 0.221 274.3)
XYZ	xyz(13.4103, 7.4532, 55.9789)
Luminance	0.0746 (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

#3933C9 #C3C933

analogous

#3378C9 #3933C9 #8433C9

triadic

#3933C9 #C93933 #33C939

tetradic

#3933C9 #C93378 #C3C933 #33C984

square

#3933C9 #C93378 #C3C933 #33C984

split-complementary

#3933C9 #C98433 #78C933

monochromatic

#1D1A67 #2B2798 #3933C9 #6762D7 #9693E4

Accessibility & contrast

On white

8.43

#3933C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3933C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933C9

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933C9	#FFFFFF	#000000	##FFFFFF
##3933C9	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CD

Deuteranopia (green-blind)

#0046C6

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3933c9;
/* rgb */ color: rgb(57, 51, 201);
/* oklch */ color: oklch(44.2% 0.221 274.3);

Tailwind

colors: {
  custom: {
    50: '#856ddb',
    500: '#3933c9',
    950: '#000000',
  },
}

SCSS

$custom: #3933c9;
$custom-light: #856ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3933c9",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 201
  },
  "hsl": {
    "h": 242.4,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44228,
    "c": 0.2206,
    "h": 274.3
  },
  "luminance": 0.07455
}

Semantic roles & 50–950 ramp

primary

#3933C9

secondary

#CCCF89

accent

#E345DC

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3933C9

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

Preview Lab → · Contrast checker → · Palette generator →