#311C7E#311C7E

#311C7E is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.153 H 283.8°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#311C7E
RGB	rgb(49, 28, 126)
HSL	hsl(253, 64%, 30%)
HSV	hsv(253, 78%, 49%)
CMYK	cmyk(61.1%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(20.00, 37.59, -51.66)
CIE-LCH	lch(20.00, 63.89, 306.04°)
OKLab	oklab(32.7% 0.0366 -0.1489)
OKLCH	oklch(32.7% 0.153 283.8)
XYZ	xyz(5.4466, 2.9895, 20.0246)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311C7E #697E1C

analogous

#1C387E #311C7E #621C7E

triadic

#311C7E #7E311C #1C7E31

tetradic

#311C7E #7E1C38 #697E1C #1C7E62

square

#311C7E #7E1C38 #697E1C #1C7E62

split-complementary

#311C7E #7E621C #387E1C

monochromatic

#0A061A #1E114C #311C7E #4427B0 #6040D5

Accessibility & contrast

On white

13.14

#311C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#311C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311C7E

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311C7E	#FFFFFF	#000000	##FFFFFF
##311C7E	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#002D7C

Tritanopia (blue-blind)

#01384C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311c7e;
/* rgb */ color: rgb(49, 28, 126);
/* oklch */ color: oklch(32.7% 0.153 283.8);

Tailwind

colors: {
  custom: {
    50: '#735ba4',
    500: '#311c7e',
    950: '#000000',
  },
}

SCSS

$custom: #311c7e;
$custom-light: #735ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#311c7e",
  "rgb": {
    "r": 49,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 252.857,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32704,
    "c": 0.15331,
    "h": 283.8
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#311C7E

secondary

#9AB244

accent

#E741C3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311C7E

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

Preview Lab → · Contrast checker → · Palette generator →