#3933CC#3933CC

#3933CC is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.5% C 0.224 H 274.1°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3933CC
RGB	rgb(57, 51, 204)
HSL	hsl(242, 60%, 50%)
HSV	hsv(242, 75%, 80%)
CMYK	cmyk(72.1%, 75%, 0%, 20%)
CIE-LAB	lab(33.13, 50.83, -77.29)
CIE-LCH	lch(33.13, 92.51, 303.33°)
OKLab	oklab(44.54% 0.016 -0.2236)
OKLCH	oklch(44.54% 0.224 274.1)
XYZ	xyz(13.7666, 7.5958, 57.8556)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.46

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3933CC #C6CC33

analogous

#3379CC #3933CC #8633CC

triadic

#3933CC #CC3933 #33CC39

tetradic

#3933CC #CC3379 #C6CC33 #33CC86

square

#3933CC #CC3379 #C6CC33 #33CC86

split-complementary

#3933CC #CC8633 #79CC33

monochromatic

#1E1B6A #2B279B #3933CC #6964D8 #9895E4

Accessibility & contrast

On white

8.34

#3933CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3933CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933CC

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933CC	#FFFFFF	#000000	##FFFFFF
##3933CC	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D0

Deuteranopia (green-blind)

#0047C9

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3933cc;
/* rgb */ color: rgb(57, 51, 204);
/* oklch */ color: oklch(44.5% 0.224 274.1);

Tailwind

colors: {
  custom: {
    50: '#866ddd',
    500: '#3933cc',
    950: '#000000',
  },
}

SCSS

$custom: #3933cc;
$custom-light: #866ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3933cc",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 204
  },
  "hsl": {
    "h": 242.353,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.44538,
    "c": 0.22414,
    "h": 274.1
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#3933CC

secondary

#CDD08B

accent

#E345DD

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3933CC

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

Preview Lab → · Contrast checker → · Palette generator →