#3C3CB5#3C3CB5

#3C3CB5 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.8% C 0.186 H 275.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3C3CB5
RGB	rgb(60, 60, 181)
HSL	hsl(240, 50%, 47%)
HSV	hsv(240, 67%, 71%)
CMYK	cmyk(66.9%, 66.9%, 0%, 29%)
CIE-LAB	lab(32.98, 38.44, -64.02)
CIE-LCH	lch(32.98, 74.67, 300.98°)
OKLab	oklab(43.82% 0.018 -0.1848)
OKLCH	oklch(43.82% 0.186 275.6)
XYZ	xyz(11.8171, 7.5275, 44.5373)
Luminance	0.0753 (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

#3C3CB5 #B5B53C

analogous

#3C79B5 #3C3CB5 #793CB5

triadic

#3C3CB5 #B53C3C #3CB53C

tetradic

#3C3CB5 #B53C79 #B5B53C #3CB579

square

#3C3CB5 #B53C79 #B5B53C #3CB579

split-complementary

#3C3CB5 #B5793C #79B53C

monochromatic

#1E1E59 #2D2D87 #3C3CB5 #6363CB #9191DB

Accessibility & contrast

On white

8.38

#3C3CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3C3CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C3CB5

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C3CB5	#FFFFFF	#000000	##FFFFFF
##3C3CB5	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3c3cb5;
/* rgb */ color: rgb(60, 60, 181);
/* oklch */ color: oklch(43.8% 0.186 275.6);

Tailwind

colors: {
  custom: {
    50: '#8172cc',
    500: '#3c3cb5',
    950: '#000000',
  },
}

SCSS

$custom: #3c3cb5;
$custom-light: #8172cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c3cb5",
  "rgb": {
    "r": 60,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 240,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43817,
    "c": 0.18565,
    "h": 275.6
  },
  "luminance": 0.07529
}

Semantic roles & 50–950 ramp

primary

#3C3CB5

secondary

#C6C687

accent

#DA4EDA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3C3CB5

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

Preview Lab → · Contrast checker → · Palette generator →