#311B95#311B95

#311B95 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.182 H 279.6°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#311B95
RGB	rgb(49, 27, 149)
HSL	hsl(251, 69%, 35%)
HSV	hsv(251, 82%, 58%)
CMYK	cmyk(67.1%, 81.9%, 0%, 41.6%)
CIE-LAB	lab(22.32, 45.20, -62.23)
CIE-LCH	lch(22.32, 76.92, 305.99°)
OKLab	oklab(35.07% 0.0304 -0.1797)
OKLCH	oklch(35.07% 0.182 279.6)
XYZ	xyz(7.0816, 3.6062, 28.7508)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B95 #7F951B

analogous

#1B4295 #311B95 #6E1B95

triadic

#311B95 #95311B #1B9531

tetradic

#311B95 #951B42 #7F951B #1B956E

square

#311B95 #951B42 #7F951B #1B956E

split-complementary

#311B95 #956E1B #42951B

monochromatic

#0F082D #201261 #311B95 #4224C9 #664CDF

Accessibility & contrast

On white

12.20

#311B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B95

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B95	#FFFFFF	#000000	##FFFFFF
##311B95	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A98

Deuteranopia (green-blind)

#003193

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311b95;
/* rgb */ color: rgb(49, 27, 149);
/* oklch */ color: oklch(35.1% 0.182 279.6);

Tailwind

colors: {
  custom: {
    50: '#785cb5',
    500: '#311b95',
    950: '#000000',
  },
}

SCSS

$custom: #311b95;
$custom-light: #785cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#311b95",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 149
  },
  "hsl": {
    "h": 250.82,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35068,
    "c": 0.18225,
    "h": 279.6
  },
  "luminance": 0.03607
}

Semantic roles & 50–950 ramp

primary

#311B95

secondary

#ABC14B

accent

#EC3CCC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311B95

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

Preview Lab → · Contrast checker → · Palette generator →