#3939CA#3939CA

#3939CA is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.2% C 0.216 H 273.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3939CA
RGB	rgb(57, 57, 202)
HSL	hsl(240, 58%, 51%)
HSV	hsv(240, 72%, 79%)
CMYK	cmyk(71.8%, 71.8%, 0%, 20.8%)
CIE-LAB	lab(34.11, 46.87, -74.51)
CIE-LCH	lch(34.11, 88.03, 302.17°)
OKLab	oklab(45.17% 0.0134 -0.2155)
OKLCH	oklch(45.17% 0.216 273.6)
XYZ	xyz(13.8076, 8.0590, 56.6935)
Luminance	0.0806 (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

#3939CA #CACA39

analogous

#3981CA #3939CA #8139CA

triadic

#3939CA #CA3939 #39CA39

tetradic

#3939CA #CA3981 #CACA39 #39CA81

square

#3939CA #CA3981 #CACA39 #39CA81

split-complementary

#3939CA #CA8139 #81CA39

monochromatic

#1D1D6C #2A2A9C #3939CA #6969D7 #9A9AE4

Accessibility & contrast

On white

8.04

#3939CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3939CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3939CA

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3939CA	#FFFFFF	#000000	##FFFFFF
##3939CA	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CE

Deuteranopia (green-blind)

#0049C7

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3939ca;
/* rgb */ color: rgb(57, 57, 202);
/* oklch */ color: oklch(45.2% 0.216 273.6);

Tailwind

colors: {
  custom: {
    50: '#8571db',
    500: '#3939ca',
    950: '#000000',
  },
}

SCSS

$custom: #3939ca;
$custom-light: #8571db;
$custom-dark: #000000;

JSON

{
  "hex": "#3939ca",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 202
  },
  "hsl": {
    "h": 240,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45174,
    "c": 0.21593,
    "h": 273.6
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary

#3939CA

secondary

#D0D08F

accent

#E147E1

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3939CA

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

Preview Lab → · Contrast checker → · Palette generator →