#311A70#311A70

#311A70 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.0% C 0.138 H 287.7°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#311A70
RGB	rgb(49, 26, 112)
HSL	hsl(256, 62%, 27%)
HSV	hsv(256, 77%, 44%)
CMYK	cmyk(56.3%, 76.8%, 0%, 56.1%)
CIE-LAB	lab(18.19, 34.29, -45.65)
CIE-LCH	lch(18.19, 57.10, 306.91°)
OKLab	oklab(31% 0.0419 -0.1313)
OKLCH	oklch(31% 0.138 287.7)
XYZ	xyz(4.5598, 2.5614, 15.5802)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A70 #59701A

analogous

#1A2E70 #311A70 #5C1A70

triadic

#311A70 #70311A #1A7031

tetradic

#311A70 #701A2E #59701A #1A705C

square

#311A70 #701A2E #59701A #1A705C

split-complementary

#311A70 #705C1A #2E701A

monochromatic

#0B0619 #1B0E3E #311A70 #4726A2 #5E34D0

Accessibility & contrast

On white

13.89

#311A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#311A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A70

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A70	#FFFFFF	#000000	##FFFFFF
##311A70	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E72

Deuteranopia (green-blind)

#002A6E

Tritanopia (blue-blind)

#173143

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311a70;
/* rgb */ color: rgb(49, 26, 112);
/* oklch */ color: oklch(31.0% 0.138 287.7);

Tailwind

colors: {
  custom: {
    50: '#71599a',
    500: '#311a70',
    950: '#000000',
  },
}

SCSS

$custom: #311a70;
$custom-light: #71599a;
$custom-dark: #000000;

JSON

{
  "hex": "#311a70",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 112
  },
  "hsl": {
    "h": 256.047,
    "s": 62.319,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30998,
    "c": 0.13782,
    "h": 287.7
  },
  "luminance": 0.02562
}

Semantic roles & 50–950 ramp

primary

#311A70

secondary

#8AA541

accent

#E542BA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311A70

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

Preview Lab → · Contrast checker → · Palette generator →