#311D93#311D93

#311D93 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.1% C 0.178 H 279.7°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#311D93
RGB	rgb(49, 29, 147)
HSL	hsl(250, 67%, 35%)
HSV	hsv(250, 80%, 58%)
CMYK	cmyk(66.7%, 80.3%, 0%, 42.4%)
CIE-LAB	lab(22.44, 43.62, -60.81)
CIE-LCH	lch(22.44, 74.84, 305.65°)
OKLab	oklab(35.08% 0.03 -0.1756)
OKLCH	oklch(35.08% 0.178 279.7)
XYZ	xyz(6.9708, 3.6377, 27.9329)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D93 #7F931D

analogous

#1D4493 #311D93 #6C1D93

triadic

#311D93 #93311D #1D9331

tetradic

#311D93 #931D44 #7F931D #1D936C

square

#311D93 #931D44 #7F931D #1D936C

split-complementary

#311D93 #936C1D #44931D

monochromatic

#0F092D #201360 #311D93 #4227C6 #664EDC

Accessibility & contrast

On white

12.16

#311D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#311D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D93

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D93	#FFFFFF	#000000	##FFFFFF
##311D93	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A96

Deuteranopia (green-blind)

#003191

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311d93;
/* rgb */ color: rgb(49, 29, 147);
/* oklch */ color: oklch(35.1% 0.178 279.7);

Tailwind

colors: {
  custom: {
    50: '#785db4',
    500: '#311d93',
    950: '#000000',
  },
}

SCSS

$custom: #311d93;
$custom-light: #785db4;
$custom-dark: #000000;

JSON

{
  "hex": "#311d93",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 147
  },
  "hsl": {
    "h": 250.169,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35079,
    "c": 0.17812,
    "h": 279.7
  },
  "luminance": 0.03638
}

Semantic roles & 50–950 ramp

primary

#311D93

secondary

#ABBF4D

accent

#EA3ECD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311D93

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

Preview Lab → · Contrast checker → · Palette generator →