#311A85#311A85

#311A85 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.2% C 0.164 H 282.7°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#311A85
RGB	rgb(49, 26, 133)
HSL	hsl(253, 67%, 31%)
HSV	hsv(253, 80%, 52%)
CMYK	cmyk(63.2%, 80.5%, 0%, 47.8%)
CIE-LAB	lab(20.38, 40.81, -55.47)
CIE-LCH	lch(20.38, 68.86, 306.34°)
OKLab	oklab(33.19% 0.036 -0.16)
OKLCH	oklch(33.19% 0.164 282.7)
XYZ	xyz(5.8683, 3.0848, 22.4719)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A85 #6E851A

analogous

#1A3885 #311A85 #661A85

triadic

#311A85 #85311A #1A8531

tetradic

#311A85 #851A38 #6E851A #1A8566

square

#311A85 #851A38 #6E851A #1A8566

split-complementary

#311A85 #85661A #38851A

monochromatic

#0B061F #1E1052 #311A85 #4424B8 #6140DA

Accessibility & contrast

On white

12.99

#311A85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#311A85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A85

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A85	#FFFFFF	#000000	##FFFFFF
##311A85	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002D83

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #311a85;
/* rgb */ color: rgb(49, 26, 133);
/* oklch */ color: oklch(33.2% 0.164 282.7);

Tailwind

colors: {
  custom: {
    50: '#755aaa',
    500: '#311a85',
    950: '#000000',
  },
}

SCSS

$custom: #311a85;
$custom-light: #755aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#311a85",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 133
  },
  "hsl": {
    "h": 252.897,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33192,
    "c": 0.16396,
    "h": 282.7
  },
  "luminance": 0.03085
}

Semantic roles & 50–950 ramp

primary

#311A85

secondary

#9FB842

accent

#EA3EC5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311A85

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

Preview Lab → · Contrast checker → · Palette generator →