#3839C7#3839C7

#3839C7 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.8% C 0.213 H 273.4°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#3839C7
RGB	rgb(56, 57, 199)
HSL	hsl(240, 56%, 50%)
HSV	hsv(240, 72%, 78%)
CMYK	cmyk(71.9%, 71.4%, 0%, 22%)
CIE-LAB	lab(33.75, 45.78, -73.35)
CIE-LCH	lch(33.75, 86.46, 301.97°)
OKLab	oklab(44.82% 0.0127 -0.2121)
OKLCH	oklch(44.82% 0.213 273.4)
XYZ	xyz(13.3994, 7.8892, 54.8384)
Luminance	0.0789 (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

#3839C7 #C7C638

analogous

#3881C7 #3839C7 #7E38C7

triadic

#3839C7 #C73839 #39C738

tetradic

#3839C7 #C73881 #C7C638 #38C77E

square

#3839C7 #C73881 #C7C638 #38C77E

split-complementary

#3839C7 #C77E38 #81C738

monochromatic

#1D1E67 #2B2B97 #3839C7 #6869D4 #9898E2

Accessibility & contrast

On white

8.15

#3839C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3839C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839C7

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839C7	#FFFFFF	#000000	##FFFFFF
##3839C7	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CB

Deuteranopia (green-blind)

#0048C4

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3839c7;
/* rgb */ color: rgb(56, 57, 199);
/* oklch */ color: oklch(44.8% 0.213 273.4);

Tailwind

colors: {
  custom: {
    50: '#8471d9',
    500: '#3839c7',
    950: '#000000',
  },
}

SCSS

$custom: #3839c7;
$custom-light: #8471d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3839c7",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 199
  },
  "hsl": {
    "h": 239.58,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.44816,
    "c": 0.21253,
    "h": 273.4
  },
  "luminance": 0.07891
}

Semantic roles & 50–950 ramp

primary

#3839C7

secondary

#CDCD8D

accent

#DE48DF

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3839C7

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

Preview Lab → · Contrast checker → · Palette generator →