#3316B4#3316B4

#3316B4 is a dark, highly saturated violet. Relative luminance 0.046; OKLCH L 38.3% C 0.220 H 276.5°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#3316B4
RGB	rgb(51, 22, 180)
HSL	hsl(251, 78%, 40%)
HSV	hsv(251, 88%, 71%)
CMYK	cmyk(71.7%, 87.8%, 0%, 29.4%)
CIE-LAB	lab(25.48, 56.37, -75.82)
CIE-LCH	lch(25.48, 94.48, 306.63°)
OKLab	oklab(38.34% 0.025 -0.219)
OKLCH	oklch(38.34% 0.22 276.5)
XYZ	xyz(9.8877, 4.5720, 43.5326)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3316B4 #97B416

analogous

#1648B4 #3316B4 #8216B4

triadic

#3316B4 #B43316 #16B433

tetradic

#3316B4 #B41648 #97B416 #16B482

square

#3316B4 #B41648 #97B416 #16B482

split-complementary

#3316B4 #B48216 #48B416

monochromatic

#140947 #240F7D #3316B4 #4723E4 #745AEB

Accessibility & contrast

On white

10.97

#3316B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#3316B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3316B4

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3316B4	#FFFFFF	#000000	##FFFFFF
##3316B4	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3316b4;
/* rgb */ color: rgb(51, 22, 180);
/* oklch */ color: oklch(38.3% 0.220 276.5);

Tailwind

colors: {
  custom: {
    50: '#805ccc',
    500: '#3316b4',
    950: '#000000',
  },
}

SCSS

$custom: #3316b4;
$custom-light: #805ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3316b4",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 180
  },
  "hsl": {
    "h": 251.013,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38337,
    "c": 0.22043,
    "h": 276.5
  },
  "luminance": 0.04573
}

Semantic roles & 50–950 ramp

primary

#3316B4

secondary

#B8CE58

accent

#F533D1

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3316B4

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

Preview Lab → · Contrast checker → · Palette generator →