#311A82#311A82

#311A82 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.160 H 283.3°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#311A82
RGB	rgb(49, 26, 130)
HSL	hsl(253, 67%, 31%)
HSV	hsv(253, 80%, 51%)
CMYK	cmyk(62.3%, 80%, 0%, 49%)
CIE-LAB	lab(20.06, 39.88, -54.11)
CIE-LCH	lch(20.06, 67.22, 306.39°)
OKLab	oklab(32.87% 0.0369 -0.156)
OKLCH	oklch(32.87% 0.16 283.3)
XYZ	xyz(5.6640, 3.0031, 21.3959)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A82 #6B821A

analogous

#1A3782 #311A82 #651A82

triadic

#311A82 #82311A #1A8231

tetradic

#311A82 #821A37 #6B821A #1A8265

square

#311A82 #821A37 #6B821A #1A8265

split-complementary

#311A82 #82651A #37821A

monochromatic

#0B061C #1E104F #311A82 #4424B5 #603ED8

Accessibility & contrast

On white

13.12

#311A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#311A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A82

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A82	#FFFFFF	#000000	##FFFFFF
##311A82	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003485

Deuteranopia (green-blind)

#002D80

Tritanopia (blue-blind)

#00384D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311a82;
/* rgb */ color: rgb(49, 26, 130);
/* oklch */ color: oklch(32.9% 0.160 283.3);

Tailwind

colors: {
  custom: {
    50: '#745aa7',
    500: '#311a82',
    950: '#000000',
  },
}

SCSS

$custom: #311a82;
$custom-light: #745aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#311a82",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 130
  },
  "hsl": {
    "h": 253.269,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32869,
    "c": 0.1603,
    "h": 283.3
  },
  "luminance": 0.03003
}

Semantic roles & 50–950 ramp

primary

#311A82

secondary

#9CB642

accent

#EA3EC4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311A82

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

Preview Lab → · Contrast checker → · Palette generator →