#3A39BB#3A39BB

#3A39BB is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.8% C 0.197 H 274.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A39BB
RGB	rgb(58, 57, 187)
HSL	hsl(240, 53%, 48%)
HSV	hsv(240, 70%, 73%)
CMYK	cmyk(69%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(32.73, 42.01, -67.98)
CIE-LCH	lch(32.73, 79.91, 301.71°)
OKLab	oklab(43.77% 0.0169 -0.1964)
OKLCH	oklch(43.77% 0.197 274.9)
XYZ	xyz(12.1747, 7.4125, 47.7932)
Luminance	0.0741 (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

#3A39BB #BABB39

analogous

#3979BB #3A39BB #7B39BB

triadic

#3A39BB #BB3A39 #39BB3A

tetradic

#3A39BB #BB3979 #BABB39 #39BB7B

square

#3A39BB #BB3979 #BABB39 #39BB7B

split-complementary

#3A39BB #BB7B39 #79BB39

monochromatic

#1D1C5D #2B2B8C #3A39BB #6362CF #9291DD

Accessibility & contrast

On white

8.46

#3A39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3A39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A39BB

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A39BB	#FFFFFF	#000000	##FFFFFF
##3A39BB	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0047B9

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a39bb;
/* rgb */ color: rgb(58, 57, 187);
/* oklch */ color: oklch(43.8% 0.197 274.9);

Tailwind

colors: {
  custom: {
    50: '#8270d1',
    500: '#3a39bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a39bb;
$custom-light: #8270d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a39bb",
  "rgb": {
    "r": 58,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 240.462,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43768,
    "c": 0.19715,
    "h": 274.9
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#3A39BB

secondary

#C8C887

accent

#DD4BDC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3A39BB

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

Preview Lab → · Contrast checker → · Palette generator →