#3318B4#3318B4

#3318B4 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.219 H 276.4°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#3318B4
RGB	rgb(51, 24, 180)
HSL	hsl(250, 76%, 40%)
HSV	hsv(250, 87%, 71%)
CMYK	cmyk(71.7%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.72, 55.65, -75.43)
CIE-LCH	lch(25.72, 93.74, 306.42°)
OKLab	oklab(38.5% 0.0245 -0.2179)
OKLCH	oklch(38.5% 0.219 276.4)
XYZ	xyz(9.9274, 4.6514, 43.5458)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3318B4 #99B418

analogous

#184BB4 #3318B4 #8118B4

triadic

#3318B4 #B43318 #18B433

tetradic

#3318B4 #B4184B #99B418 #18B481

square

#3318B4 #B4184B #99B418 #18B481

split-complementary

#3318B4 #B48118 #4BB418

monochromatic

#140A48 #24117E #3318B4 #4727E2 #755DE9

Accessibility & contrast

On white

10.88

#3318B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3318B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3318B4

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3318B4	#FFFFFF	#000000	##FFFFFF
##3318B4	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3318b4;
/* rgb */ color: rgb(51, 24, 180);
/* oklch */ color: oklch(38.5% 0.219 276.4);

Tailwind

colors: {
  custom: {
    50: '#805dcc',
    500: '#3318b4',
    950: '#000000',
  },
}

SCSS

$custom: #3318b4;
$custom-light: #805dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3318b4",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 250.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.38499,
    "c": 0.21926,
    "h": 276.4
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#3318B4

secondary

#B9CD5B

accent

#F335D2

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3318B4

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

Preview Lab → · Contrast checker → · Palette generator →