#3839AF#3839AF

#3839AF is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.182 H 275.0°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3839AF
RGB	rgb(56, 57, 175)
HSL	hsl(239, 52%, 45%)
HSV	hsv(239, 68%, 69%)
CMYK	cmyk(68%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(31.49, 37.70, -62.90)
CIE-LCH	lch(31.49, 73.33, 300.94°)
OKLab	oklab(42.5% 0.016 -0.1816)
OKLCH	oklch(42.5% 0.182 275)
XYZ	xyz(10.8293, 6.8612, 41.3028)
Luminance	0.0686 (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

#3839AF #AFAE38

analogous

#3874AF #3839AF #7338AF

triadic

#3839AF #AF3839 #39AF38

tetradic

#3839AF #AF3874 #AFAE38 #38AF73

square

#3839AF #AF3874 #AFAE38 #38AF73

split-complementary

#3839AF #AF7338 #74AF38

monochromatic

#1A1B52 #292A81 #3839AF #5A5BCA #8889D9

Accessibility & contrast

On white

8.85

#3839AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3839AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3839AF

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3839AF	#FFFFFF	#000000	##FFFFFF
##3839AF	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0045AD

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3839af;
/* rgb */ color: rgb(56, 57, 175);
/* oklch */ color: oklch(42.5% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#7e70c8',
    500: '#3839af',
    950: '#000000',
  },
}

SCSS

$custom: #3839af;
$custom-light: #7e70c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3839af",
  "rgb": {
    "r": 56,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 239.496,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.42501,
    "c": 0.18232,
    "h": 275
  },
  "luminance": 0.06862
}

Semantic roles & 50–950 ramp

primary

#3839AF

secondary

#C3C380

accent

#DA4DDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3839AF

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

Preview Lab → · Contrast checker → · Palette generator →