#3839C4#3839C4

#3839C4 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.5% C 0.209 H 273.6°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3839C4
RGB	rgb(56, 57, 196)
HSL	hsl(240, 56%, 49%)
HSV	hsv(240, 71%, 77%)
CMYK	cmyk(71.4%, 70.9%, 0%, 23.1%)
CIE-LAB	lab(33.46, 44.79, -72.07)
CIE-LCH	lch(33.46, 84.86, 301.86°)
OKLab	oklab(44.52% 0.0132 -0.2084)
OKLCH	oklch(44.52% 0.209 273.6)
XYZ	xyz(13.0545, 7.7512, 53.0220)
Luminance	0.0775 (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

#3839C4 #C4C338

analogous

#387FC4 #3839C4 #7D38C4

triadic

#3839C4 #C43839 #39C438

tetradic

#3839C4 #C4387F #C4C338 #38C47D

square

#3839C4 #C4387F #C4C338 #38C47D

split-complementary

#3839C4 #C47D38 #7FC438

monochromatic

#1D1D65 #2A2B94 #3839C4 #6667D3 #9696E1

Accessibility & contrast

On white

8.23

#3839C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3839C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839C4

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839C4	#FFFFFF	#000000	##FFFFFF
##3839C4	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3839c4;
/* rgb */ color: rgb(56, 57, 196);
/* oklch */ color: oklch(44.5% 0.209 273.6);

Tailwind

colors: {
  custom: {
    50: '#8371d7',
    500: '#3839c4',
    950: '#000000',
  },
}

SCSS

$custom: #3839c4;
$custom-light: #8371d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3839c4",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 196
  },
  "hsl": {
    "h": 239.571,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.4452,
    "c": 0.20885,
    "h": 273.6
  },
  "luminance": 0.07753
}

Semantic roles & 50–950 ramp

primary

#3839C4

secondary

#CCCC8C

accent

#DE49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3839C4

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

Preview Lab → · Contrast checker → · Palette generator →