#311D94#311D94

#311D94 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.179 H 279.5°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#311D94
RGB	rgb(49, 29, 148)
HSL	hsl(250, 67%, 35%)
HSV	hsv(250, 80%, 58%)
CMYK	cmyk(66.9%, 80.4%, 0%, 42%)
CIE-LAB	lab(22.55, 43.93, -61.25)
CIE-LCH	lch(22.55, 75.37, 305.65°)
OKLab	oklab(35.19% 0.0297 -0.1768)
OKLCH	oklch(35.19% 0.179 279.5)
XYZ	xyz(7.0496, 3.6692, 28.3480)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D94 #80941D

analogous

#1D4594 #311D94 #6D1D94

triadic

#311D94 #94311D #1D9431

tetradic

#311D94 #941D45 #80941D #1D946D

square

#311D94 #941D45 #80941D #1D946D

split-complementary

#311D94 #946D1D #45941D

monochromatic

#0F092E #201361 #311D94 #4227C7 #674FDC

Accessibility & contrast

On white

12.11

#311D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#311D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D94

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D94	#FFFFFF	#000000	##FFFFFF
##311D94	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A97

Deuteranopia (green-blind)

#003192

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311d94;
/* rgb */ color: rgb(49, 29, 148);
/* oklch */ color: oklch(35.2% 0.179 279.5);

Tailwind

colors: {
  custom: {
    50: '#785db5',
    500: '#311d94',
    950: '#000000',
  },
}

SCSS

$custom: #311d94;
$custom-light: #785db5;
$custom-dark: #000000;

JSON

{
  "hex": "#311d94",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 148
  },
  "hsl": {
    "h": 250.084,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35189,
    "c": 0.17932,
    "h": 279.5
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#311D94

secondary

#ACBF4E

accent

#EA3ECD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311D94

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

Preview Lab → · Contrast checker → · Palette generator →