#3839C9#3839C9

#3839C9 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.215 H 273.3°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3839C9
RGB	rgb(56, 57, 201)
HSL	hsl(240, 57%, 50%)
HSV	hsv(240, 72%, 79%)
CMYK	cmyk(72.1%, 71.6%, 0%, 21.2%)
CIE-LAB	lab(33.95, 46.44, -74.19)
CIE-LCH	lch(33.95, 87.53, 302.05°)
OKLab	oklab(45.02% 0.0124 -0.2146)
OKLCH	oklch(45.02% 0.215 273.3)
XYZ	xyz(13.6331, 7.9827, 56.0693)
Luminance	0.0798 (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

#3839C9 #C9C838

analogous

#3882C9 #3839C9 #7F38C9

triadic

#3839C9 #C93839 #39C938

tetradic

#3839C9 #C93882 #C9C838 #38C97F

square

#3839C9 #C93882 #C9C838 #38C97F

split-complementary

#3839C9 #C97F38 #82C938

monochromatic

#1D1D6A #2A2B9A #3839C9 #6869D6 #9899E3

Accessibility & contrast

On white

8.09

#3839C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3839C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839C9

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839C9	#FFFFFF	#000000	##FFFFFF
##3839C9	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CD

Deuteranopia (green-blind)

#0049C6

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3839c9;
/* rgb */ color: rgb(56, 57, 201);
/* oklch */ color: oklch(45.0% 0.215 273.3);

Tailwind

colors: {
  custom: {
    50: '#8471db',
    500: '#3839c9',
    950: '#000000',
  },
}

SCSS

$custom: #3839c9;
$custom-light: #8471db;
$custom-dark: #000000;

JSON

{
  "hex": "#3839c9",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 201
  },
  "hsl": {
    "h": 239.586,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45015,
    "c": 0.21497,
    "h": 273.3
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary

#3839C9

secondary

#CFCE8E

accent

#E047E1

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3839C9

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

Preview Lab → · Contrast checker → · Palette generator →