#3933C0#3933C0

#3933C0 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.210 H 275.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3933C0
RGB	rgb(57, 51, 192)
HSL	hsl(243, 58%, 48%)
HSV	hsv(243, 73%, 75%)
CMYK	cmyk(70.3%, 73.4%, 0%, 24.7%)
CIE-LAB	lab(31.90, 46.99, -72.29)
CIE-LCH	lch(31.90, 86.22, 303.03°)
OKLab	oklab(43.31% 0.0183 -0.209)
OKLCH	oklch(43.31% 0.21 275)
XYZ	xyz(12.3825, 7.0421, 50.5657)
Luminance	0.0704 (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

#3933C0 #BAC033

analogous

#3374C0 #3933C0 #7F33C0

triadic

#3933C0 #C03933 #33C039

tetradic

#3933C0 #C03374 #BAC033 #33C07F

square

#3933C0 #C03374 #BAC033 #33C07F

split-complementary

#3933C0 #C07F33 #74C033

monochromatic

#1C195F #2B2690 #3933C0 #615CD4 #908DE1

Accessibility & contrast

On white

8.72

#3933C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3933C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3933C0

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3933C0	#FFFFFF	#000000	##FFFFFF
##3933C0	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C4

Deuteranopia (green-blind)

#0045BD

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3933c0;
/* rgb */ color: rgb(57, 51, 192);
/* oklch */ color: oklch(43.3% 0.210 275.0);

Tailwind

colors: {
  custom: {
    50: '#836dd4',
    500: '#3933c0',
    950: '#000000',
  },
}

SCSS

$custom: #3933c0;
$custom-light: #836dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3933c0",
  "rgb": {
    "r": 57,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 242.553,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43307,
    "c": 0.20981,
    "h": 275
  },
  "luminance": 0.07043
}

Semantic roles & 50–950 ramp

primary

#3933C0

secondary

#C8CB84

accent

#E147DB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3933C0

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

Preview Lab → · Contrast checker → · Palette generator →