#311785#311785

#311785 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.167 H 283.1°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#311785
RGB	rgb(49, 23, 133)
HSL	hsl(254, 71%, 31%)
HSV	hsv(254, 83%, 52%)
CMYK	cmyk(63.2%, 82.7%, 0%, 47.8%)
CIE-LAB	lab(19.88, 42.26, -56.30)
CIE-LCH	lch(19.88, 70.39, 306.90°)
OKLab	oklab(32.84% 0.0378 -0.1623)
OKLCH	oklch(32.84% 0.167 283.1)
XYZ	xyz(5.8053, 2.9588, 22.4509)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311785 #6B8517

analogous

#173485 #311785 #681785

triadic

#311785 #853117 #178531

tetradic

#311785 #851734 #6B8517 #178568

square

#311785 #851734 #6B8517 #178568

split-complementary

#311785 #856817 #348517

monochromatic

#0B051D #1E0E51 #311785 #4420B9 #603ADD

Accessibility & contrast

On white

13.19

#311785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#311785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311785

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311785	#FFFFFF	#000000	##FFFFFF
##311785	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003388

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#00384F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311785;
/* rgb */ color: rgb(49, 23, 133);
/* oklch */ color: oklch(32.8% 0.167 283.1);

Tailwind

colors: {
  custom: {
    50: '#7559aa',
    500: '#311785',
    950: '#000000',
  },
}

SCSS

$custom: #311785;
$custom-light: #7559aa;
$custom-dark: #000000;

JSON

{
  "hex": "#311785",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 133
  },
  "hsl": {
    "h": 254.182,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32843,
    "c": 0.16669,
    "h": 283.1
  },
  "luminance": 0.02959
}

Semantic roles & 50–950 ramp

primary

#311785

secondary

#9CB93F

accent

#ED3BC3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311785

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

Preview Lab → · Contrast checker → · Palette generator →