#3C439C#3C439C

#3C439C is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.143 H 275.2°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3C439C
RGB	rgb(60, 67, 156)
HSL	hsl(236, 44%, 42%)
HSV	hsv(236, 62%, 61%)
CMYK	cmyk(61.5%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(32.64, 25.34, -49.58)
CIE-LCH	lch(32.64, 55.68, 297.06°)
OKLab	oklab(42.93% 0.013 -0.1423)
OKLCH	oklch(42.93% 0.143 275.2)
XYZ	xyz(9.8694, 7.3745, 32.3494)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C439C #9C953C

analogous

#3C739C #3C439C #653C9C

triadic

#3C439C #9C3C43 #439C3C

tetradic

#3C439C #9C3C73 #9C953C #3C9C65

square

#3C439C #9C3C73 #9C953C #3C9C65

split-complementary

#3C439C #9C653C #739C3C

monochromatic

#1A1D44 #2B3070 #3C439C #575EBE #8389CF

Accessibility & contrast

On white

8.48

#3C439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3C439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C439C

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C439C	#FFFFFF	#000000	##FFFFFF
##3C439C	1.00	8.48	2.47	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3c439c;
/* rgb */ color: rgb(60, 67, 156);
/* oklch */ color: oklch(42.9% 0.143 275.2);

Tailwind

colors: {
  custom: {
    50: '#7c77ba',
    500: '#3c439c',
    950: '#000000',
  },
}

SCSS

$custom: #3c439c;
$custom-light: #7c77ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3c439c",
  "rgb": {
    "r": 60,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 235.625,
    "s": 44.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42934,
    "c": 0.14294,
    "h": 275.2
  },
  "luminance": 0.07375
}

Semantic roles & 50–950 ramp

primary

#3C439C

secondary

#B9B57A

accent

#CB54D4

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3C439C

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

Preview Lab → · Contrast checker → · Palette generator →