#3C39B5#3C39B5

#3C39B5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.3% C 0.189 H 276.1°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3C39B5
RGB	rgb(60, 57, 181)
HSL	hsl(241, 52%, 47%)
HSV	hsv(241, 69%, 71%)
CMYK	cmyk(66.9%, 68.5%, 0%, 29%)
CIE-LAB	lab(32.31, 40.25, -65.12)
CIE-LCH	lch(32.31, 76.55, 301.72°)
OKLab	oklab(43.33% 0.0201 -0.188)
OKLCH	oklch(43.33% 0.189 276.1)
XYZ	xyz(11.6644, 7.2221, 44.4864)
Luminance	0.0722 (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

#3C39B5 #B2B539

analogous

#3974B5 #3C39B5 #7A39B5

triadic

#3C39B5 #B53C39 #39B53C

tetradic

#3C39B5 #B53974 #B2B539 #39B57A

square

#3C39B5 #B53974 #B2B539 #39B57A

split-complementary

#3C39B5 #B57A39 #74B539

monochromatic

#1D1C58 #2D2A86 #3C39B5 #615FCD #8F8DDB

Accessibility & contrast

On white

8.59

#3C39B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3C39B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C39B5

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C39B5	#FFFFFF	#000000	##FFFFFF
##3C39B5	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	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: #3c39b5;
/* rgb */ color: rgb(60, 57, 181);
/* oklch */ color: oklch(43.3% 0.189 276.1);

Tailwind

colors: {
  custom: {
    50: '#8170cc',
    500: '#3c39b5',
    950: '#000000',
  },
}

SCSS

$custom: #3c39b5;
$custom-light: #8170cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c39b5",
  "rgb": {
    "r": 60,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 241.452,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43331,
    "c": 0.18908,
    "h": 276.1
  },
  "luminance": 0.07223
}

Semantic roles & 50–950 ramp

primary

#3C39B5

secondary

#C4C684

accent

#DC4CD8

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C39B5

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

Preview Lab → · Contrast checker → · Palette generator →