#3317B3#3317B3

#3317B3 is a dark, highly saturated violet. Relative luminance 0.046; OKLCH L 38.3% C 0.219 H 276.6°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#3317B3
RGB	rgb(51, 23, 179)
HSL	hsl(251, 77%, 40%)
HSV	hsv(251, 87%, 70%)
CMYK	cmyk(71.5%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(25.47, 55.74, -75.23)
CIE-LCH	lch(25.47, 93.63, 306.53°)
OKLab	oklab(38.3% 0.0251 -0.2173)
OKLCH	oklch(38.3% 0.219 276.6)
XYZ	xyz(9.8057, 4.5703, 43.0045)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3317B3 #97B317

analogous

#1749B3 #3317B3 #8117B3

triadic

#3317B3 #B33317 #17B333

tetradic

#3317B3 #B31749 #97B317 #17B381

square

#3317B3 #B31749 #97B317 #17B381

split-complementary

#3317B3 #B38117 #49B317

monochromatic

#140947 #24107D #3317B3 #4724E3 #745BEA

Accessibility & contrast

On white

10.97

#3317B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#3317B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3317B3

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3317B3	#FFFFFF	#000000	##FFFFFF
##3317B3	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)

#0042B7

Deuteranopia (green-blind)

#0036B0

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3317b3;
/* rgb */ color: rgb(51, 23, 179);
/* oklch */ color: oklch(38.3% 0.219 276.6);

Tailwind

colors: {
  custom: {
    50: '#805dcb',
    500: '#3317b3',
    950: '#000000',
  },
}

SCSS

$custom: #3317b3;
$custom-light: #805dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3317b3",
  "rgb": {
    "r": 51,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 250.769,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38298,
    "c": 0.21875,
    "h": 276.6
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#3317B3

secondary

#B8CD58

accent

#F434D1

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3317B3

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

Preview Lab → · Contrast checker → · Palette generator →