#311A64#311A64

#311A64 is a dark, vivid violet. Relative luminance 0.023; OKLCH L 29.8% C 0.122 H 291.4°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#311A64
RGB	rgb(49, 26, 100)
HSL	hsl(259, 59%, 25%)
HSV	hsv(259, 74%, 39%)
CMYK	cmyk(51%, 74%, 0%, 60.8%)
CIE-LAB	lab(17.04, 30.55, -39.69)
CIE-LCH	lch(17.04, 50.08, 307.58°)
OKLab	oklab(29.83% 0.0447 -0.1138)
OKLCH	oklch(29.83% 0.122 291.4)
XYZ	xyz(3.9356, 2.3117, 12.2930)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A64 #4D641A

analogous

#1A2864 #311A64 #561A64

triadic

#311A64 #64311A #1A6431

tetradic

#311A64 #641A28 #4D641A #1A6456

square

#311A64 #641A28 #4D641A #1A6456

split-complementary

#311A64 #64561A #28641A

monochromatic

#0C0618 #190D33 #311A64 #492795 #6133C5

Accessibility & contrast

On white

14.36

#311A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#311A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A64

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A64	#FFFFFF	#000000	##FFFFFF
##311A64	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B66

Deuteranopia (green-blind)

#002863

Tritanopia (blue-blind)

#212D3D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #311a64;
/* rgb */ color: rgb(49, 26, 100);
/* oklch */ color: oklch(29.8% 0.122 291.4);

Tailwind

colors: {
  custom: {
    50: '#6f5891',
    500: '#311a64',
    950: '#000000',
  },
}

SCSS

$custom: #311a64;
$custom-light: #6f5891;
$custom-dark: #000000;

JSON

{
  "hex": "#311a64",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 100
  },
  "hsl": {
    "h": 258.649,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.29829,
    "c": 0.12225,
    "h": 291.4
  },
  "luminance": 0.02312
}

Semantic roles & 50–950 ramp

primary

#311A64

secondary

#7E9A40

accent

#E246B1

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #311A64

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

Preview Lab → · Contrast checker → · Palette generator →