#311E73#311E73

#311E73 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.137 H 285.9°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#311E73
RGB	rgb(49, 30, 115)
HSL	hsl(253, 59%, 28%)
HSV	hsv(253, 74%, 45%)
CMYK	cmyk(57.4%, 73.9%, 0%, 54.9%)
CIE-LAB	lab(19.30, 32.96, -45.77)
CIE-LCH	lch(19.30, 56.40, 305.75°)
OKLab	oklab(31.88% 0.0376 -0.1316)
OKLCH	oklch(31.88% 0.137 285.9)
XYZ	xyz(4.8245, 2.8191, 16.5062)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E73 #60731E

analogous

#1E3573 #311E73 #5B1E73

triadic

#311E73 #73311E #1E7331

tetradic

#311E73 #731E35 #60731E #1E735B

square

#311E73 #731E35 #60731E #1E735B

split-complementary

#311E73 #735B1E #35731E

monochromatic

#0A0618 #1C1142 #311E73 #462BA4 #5E3FCD

Accessibility & contrast

On white

13.43

#311E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#311E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E73

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E73	#FFFFFF	#000000	##FFFFFF
##311E73	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003176

Deuteranopia (green-blind)

#002C71

Tritanopia (blue-blind)

#143546

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311e73;
/* rgb */ color: rgb(49, 30, 115);
/* oklch */ color: oklch(31.9% 0.137 285.9);

Tailwind

colors: {
  custom: {
    50: '#715c9c',
    500: '#311e73',
    950: '#000000',
  },
}

SCSS

$custom: #311e73;
$custom-light: #715c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#311e73",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 115
  },
  "hsl": {
    "h": 253.412,
    "s": 58.621,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31876,
    "c": 0.13692,
    "h": 285.9
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#311E73

secondary

#91A746

accent

#E246BF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311E73

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

Preview Lab → · Contrast checker → · Palette generator →