#3C18B4#3C18B4

#3C18B4 is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 39.2% C 0.217 H 280.1°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#3C18B4
RGB	rgb(60, 24, 180)
HSL	hsl(254, 76%, 40%)
HSV	hsv(254, 87%, 71%)
CMYK	cmyk(66.7%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(26.47, 56.28, -74.15)
CIE-LCH	lch(26.47, 93.09, 307.20°)
OKLab	oklab(39.2% 0.038 -0.214)
OKLCH	oklch(39.2% 0.217 280.1)
XYZ	xyz(10.4257, 4.9084, 43.5692)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C18B4 #90B418

analogous

#1842B4 #3C18B4 #8A18B4

triadic

#3C18B4 #B43C18 #18B43C

tetradic

#3C18B4 #B41842 #90B418 #18B48A

square

#3C18B4 #B41842 #90B418 #18B48A

split-complementary

#3C18B4 #B48A18 #42B418

monochromatic

#180A48 #2A117E #3C18B4 #5227E2 #7D5DE9

Accessibility & contrast

On white

10.60

#3C18B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3C18B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C18B4

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C18B4	#FFFFFF	#000000	##FFFFFF
##3C18B4	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0039B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3c18b4;
/* rgb */ color: rgb(60, 24, 180);
/* oklch */ color: oklch(39.2% 0.217 280.1);

Tailwind

colors: {
  custom: {
    50: '#845ecc',
    500: '#3c18b4',
    950: '#000000',
  },
}

SCSS

$custom: #3c18b4;
$custom-light: #845ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c18b4",
  "rgb": {
    "r": 60,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 253.846,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.39203,
    "c": 0.21735,
    "h": 280.1
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#3C18B4

secondary

#B3CD5B

accent

#F335C7

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3C18B4

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

Preview Lab → · Contrast checker → · Palette generator →