#311C97#311C97

#311C97 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.4% C 0.184 H 279.2°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#311C97
RGB	rgb(49, 28, 151)
HSL	hsl(250, 69%, 35%)
HSV	hsv(250, 81%, 59%)
CMYK	cmyk(67.5%, 81.5%, 0%, 40.8%)
CIE-LAB	lab(22.71, 45.34, -62.82)
CIE-LCH	lch(22.71, 77.47, 305.82°)
OKLab	oklab(35.41% 0.0293 -0.1814)
OKLCH	oklch(35.41% 0.184 279.2)
XYZ	xyz(7.2660, 3.7172, 29.6067)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C97 #82971C

analogous

#1C4497 #311C97 #6F1C97

triadic

#311C97 #97311C #1C9731

tetradic

#311C97 #971C44 #82971C #1C976F

square

#311C97 #971C44 #82971C #1C976F

split-complementary

#311C97 #976F1C #44971C

monochromatic

#0F0930 #201263 #311C97 #4226CB #684FDE

Accessibility & contrast

On white

12.04

#311C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#311C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C97

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C97	#FFFFFF	#000000	##FFFFFF
##311C97	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#003195

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311c97;
/* rgb */ color: rgb(49, 28, 151);
/* oklch */ color: oklch(35.4% 0.184 279.2);

Tailwind

colors: {
  custom: {
    50: '#795db7',
    500: '#311c97',
    950: '#000000',
  },
}

SCSS

$custom: #311c97;
$custom-light: #795db7;
$custom-dark: #000000;

JSON

{
  "hex": "#311c97",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 151
  },
  "hsl": {
    "h": 250.244,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35405,
    "c": 0.18377,
    "h": 279.2
  },
  "luminance": 0.03718
}

Semantic roles & 50–950 ramp

primary

#311C97

secondary

#ADC14E

accent

#EC3CCE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311C97

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

Preview Lab → · Contrast checker → · Palette generator →