#3C39B7#3C39B7

#3C39B7 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.192 H 275.9°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#3C39B7
RGB	rgb(60, 57, 183)
HSL	hsl(241, 53%, 47%)
HSV	hsv(241, 69%, 72%)
CMYK	cmyk(67.2%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(32.49, 40.92, -66.00)
CIE-LCH	lch(32.49, 77.66, 301.80°)
OKLab	oklab(43.52% 0.0199 -0.1906)
OKLCH	oklch(43.52% 0.192 275.9)
XYZ	xyz(11.8710, 7.3048, 45.5749)
Luminance	0.0731 (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

#3C39B7 #B4B739

analogous

#3975B7 #3C39B7 #7B39B7

triadic

#3C39B7 #B73C39 #39B73C

tetradic

#3C39B7 #B73975 #B4B739 #39B77B

square

#3C39B7 #B73975 #B4B739 #39B77B

split-complementary

#3C39B7 #B77B39 #75B739

monochromatic

#1D1C5A #2D2A88 #3C39B7 #6260CD #908EDC

Accessibility & contrast

On white

8.53

#3C39B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3C39B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C39B7

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C39B7	#FFFFFF	#000000	##FFFFFF
##3C39B7	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BB

Deuteranopia (green-blind)

#0047B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3c39b7;
/* rgb */ color: rgb(60, 57, 183);
/* oklch */ color: oklch(43.5% 0.192 275.9);

Tailwind

colors: {
  custom: {
    50: '#8270ce',
    500: '#3c39b7',
    950: '#000000',
  },
}

SCSS

$custom: #3c39b7;
$custom-light: #8270ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3c39b7",
  "rgb": {
    "r": 60,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 241.429,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4352,
    "c": 0.19162,
    "h": 275.9
  },
  "luminance": 0.07306
}

Semantic roles & 50–950 ramp

primary

#3C39B7

secondary

#C5C785

accent

#DC4CD8

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3C39B7

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

Preview Lab → · Contrast checker → · Palette generator →