#3B39B5#3B39B5

#3B39B5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.189 H 275.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B39B5
RGB	rgb(59, 57, 181)
HSL	hsl(241, 52%, 47%)
HSV	hsv(241, 69%, 71%)
CMYK	cmyk(67.4%, 68.5%, 0%, 29%)
CIE-LAB	lab(32.24, 40.12, -65.23)
CIE-LCH	lch(32.24, 76.59, 301.59°)
OKLab	oklab(43.26% 0.0189 -0.1884)
OKLCH	oklch(43.26% 0.189 275.7)
XYZ	xyz(11.6045, 7.1912, 44.4836)
Luminance	0.0719 (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

#3B39B5 #B3B539

analogous

#3975B5 #3B39B5 #7939B5

triadic

#3B39B5 #B53B39 #39B53B

tetradic

#3B39B5 #B53975 #B3B539 #39B579

square

#3B39B5 #B53975 #B3B539 #39B579

split-complementary

#3B39B5 #B57939 #75B539

monochromatic

#1D1C58 #2C2A86 #3B39B5 #605FCD #8E8DDB

Accessibility & contrast

On white

8.61

#3B39B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3B39B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B39B5

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B39B5	#FFFFFF	#000000	##FFFFFF
##3B39B5	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3b39b5;
/* rgb */ color: rgb(59, 57, 181);
/* oklch */ color: oklch(43.3% 0.189 275.7);

Tailwind

colors: {
  custom: {
    50: '#8170cc',
    500: '#3b39b5',
    950: '#000000',
  },
}

SCSS

$custom: #3b39b5;
$custom-light: #8170cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b39b5",
  "rgb": {
    "r": 59,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 240.968,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43264,
    "c": 0.18931,
    "h": 275.7
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#3B39B5

secondary

#C5C684

accent

#DC4CD9

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3B39B5

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

Preview Lab → · Contrast checker → · Palette generator →