#3C409F#3C409F

#3C409F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.151 H 276.1°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3C409F
RGB	rgb(60, 64, 159)
HSL	hsl(238, 45%, 43%)
HSV	hsv(238, 62%, 62%)
CMYK	cmyk(62.3%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(32.10, 28.34, -52.28)
CIE-LCH	lch(32.10, 59.47, 298.46°)
OKLab	oklab(42.6% 0.016 -0.1503)
OKLCH	oklch(42.6% 0.151 276.1)
XYZ	xyz(9.9528, 7.1299, 33.6459)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C409F #9F9B3C

analogous

#3C719F #3C409F #6A3C9F

triadic

#3C409F #9F3C40 #409F3C

tetradic

#3C409F #9F3C71 #9F9B3C #3C9F6A

square

#3C409F #9F3C71 #9F9B3C #3C9F6A

split-complementary

#3C409F #9F6A3C #719F3C

monochromatic

#1A1C46 #2B2E73 #3C409F #585CC0 #8588D1

Accessibility & contrast

On white

8.66

#3C409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3C409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C409F

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C409F	#FFFFFF	#000000	##FFFFFF
##3C409F	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3c409f;
/* rgb */ color: rgb(60, 64, 159);
/* oklch */ color: oklch(42.6% 0.151 276.1);

Tailwind

colors: {
  custom: {
    50: '#7c75bc',
    500: '#3c409f',
    950: '#000000',
  },
}

SCSS

$custom: #3c409f;
$custom-light: #7c75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c409f",
  "rgb": {
    "r": 60,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 237.576,
    "s": 45.205,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42602,
    "c": 0.15116,
    "h": 276.1
  },
  "luminance": 0.07131
}

Semantic roles & 50–950 ramp

primary

#3C409F

secondary

#BBB87C

accent

#D053D5

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3C409F

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

Preview Lab → · Contrast checker → · Palette generator →