#3618B4#3618B4

#3618B4 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.7% C 0.219 H 277.6°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#3618B4
RGB	rgb(54, 24, 180)
HSL	hsl(252, 76%, 40%)
HSV	hsv(252, 87%, 71%)
CMYK	cmyk(70%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.96, 55.85, -75.02)
CIE-LCH	lch(25.96, 93.53, 306.67°)
OKLab	oklab(38.72% 0.0289 -0.2167)
OKLCH	oklch(38.72% 0.219 277.6)
XYZ	xyz(10.0835, 4.7319, 43.5531)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3618B4 #96B418

analogous

#1848B4 #3618B4 #8418B4

triadic

#3618B4 #B43618 #18B436

tetradic

#3618B4 #B41848 #96B418 #18B484

square

#3618B4 #B41848 #96B418 #18B484

split-complementary

#3618B4 #B48418 #48B418

monochromatic

#160A48 #26117E #3618B4 #4B27E2 #785DE9

Accessibility & contrast

On white

10.79

#3618B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3618B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3618B4

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3618B4	#FFFFFF	#000000	##FFFFFF
##3618B4	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3618b4;
/* rgb */ color: rgb(54, 24, 180);
/* oklch */ color: oklch(38.7% 0.219 277.6);

Tailwind

colors: {
  custom: {
    50: '#815dcc',
    500: '#3618b4',
    950: '#000000',
  },
}

SCSS

$custom: #3618b4;
$custom-light: #815dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3618b4",
  "rgb": {
    "r": 54,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 251.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.38723,
    "c": 0.21858,
    "h": 277.6
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary

#3618B4

secondary

#B7CD5B

accent

#F335CE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3618B4

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

Preview Lab → · Contrast checker → · Palette generator →