#3C409C#3C409C

#3C409C is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.147 H 276.3°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#3C409C
RGB	rgb(60, 64, 156)
HSL	hsl(238, 44%, 42%)
HSV	hsv(238, 62%, 61%)
CMYK	cmyk(61.5%, 59%, 0%, 38.8%)
CIE-LAB	lab(31.87, 27.29, -50.84)
CIE-LCH	lch(31.87, 57.71, 298.23°)
OKLab	oklab(42.36% 0.016 -0.1461)
OKLCH	oklch(42.36% 0.147 276.3)
XYZ	xyz(9.6957, 7.0270, 32.2915)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C409C #9C983C

analogous

#3C709C #3C409C #683C9C

triadic

#3C409C #9C3C40 #409C3C

tetradic

#3C409C #9C3C70 #9C983C #3C9C68

square

#3C409C #9C3C70 #9C983C #3C9C68

split-complementary

#3C409C #9C683C #709C3C

monochromatic

#1A1C44 #2B2E70 #3C409C #575BBE #8386CF

Accessibility & contrast

On white

8.73

#3C409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3C409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C409C

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C409C	#FFFFFF	#000000	##FFFFFF
##3C409C	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3c409c;
/* rgb */ color: rgb(60, 64, 156);
/* oklch */ color: oklch(42.4% 0.147 276.3);

Tailwind

colors: {
  custom: {
    50: '#7c75ba',
    500: '#3c409c',
    950: '#000000',
  },
}

SCSS

$custom: #3c409c;
$custom-light: #7c75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3c409c",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 237.5,
    "s": 44.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42357,
    "c": 0.14695,
    "h": 276.3
  },
  "luminance": 0.07028
}

Semantic roles & 50–950 ramp

primary

#3C409C

secondary

#B9B77A

accent

#CF54D4

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3C409C

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

Preview Lab → · Contrast checker → · Palette generator →