#3319B3#3319B3

#3319B3 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.5% C 0.218 H 276.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#3319B3
RGB	rgb(51, 25, 179)
HSL	hsl(250, 75%, 40%)
HSV	hsv(250, 86%, 70%)
CMYK	cmyk(71.5%, 86%, 0%, 29.8%)
CIE-LAB	lab(25.72, 55.00, -74.82)
CIE-LCH	lch(25.72, 92.86, 306.32°)
OKLab	oklab(38.47% 0.0245 -0.2162)
OKLCH	oklch(38.47% 0.218 276.5)
XYZ	xyz(9.8469, 4.6528, 43.0182)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3319B3 #99B319

analogous

#194CB3 #3319B3 #8019B3

triadic

#3319B3 #B33319 #19B333

tetradic

#3319B3 #B3194C #99B319 #19B380

square

#3319B3 #B3194C #99B319 #19B380

split-complementary

#3319B3 #B38019 #4CB319

monochromatic

#140A48 #24127D #3319B3 #4728E1 #755EE8

Accessibility & contrast

On white

10.88

#3319B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3319B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3319B3

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3319B3	#FFFFFF	#000000	##FFFFFF
##3319B3	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)

#0043B7

Deuteranopia (green-blind)

#0036B0

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3319b3;
/* rgb */ color: rgb(51, 25, 179);
/* oklch */ color: oklch(38.5% 0.218 276.5);

Tailwind

colors: {
  custom: {
    50: '#805dcb',
    500: '#3319b3',
    950: '#000000',
  },
}

SCSS

$custom: #3319b3;
$custom-light: #805dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3319b3",
  "rgb": {
    "r": 51,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 250.13,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.38467,
    "c": 0.21755,
    "h": 276.5
  },
  "luminance": 0.04654
}

Semantic roles & 50–950 ramp

primary

#3319B3

secondary

#B9CC5B

accent

#F236D2

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3319B3

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

Preview Lab → · Contrast checker → · Palette generator →