#311789#311789

#311789 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.171 H 282.3°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#311789
RGB	rgb(49, 23, 137)
HSL	hsl(254, 71%, 31%)
HSV	hsv(254, 83%, 54%)
CMYK	cmyk(64.2%, 83.2%, 0%, 46.3%)
CIE-LAB	lab(20.33, 43.46, -58.07)
CIE-LCH	lch(20.33, 72.53, 306.81°)
OKLab	oklab(33.29% 0.0364 -0.1675)
OKLCH	oklch(33.29% 0.171 282.3)
XYZ	xyz(6.0870, 3.0715, 23.9342)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311789 #6F8917

analogous

#173689 #311789 #6A1789

triadic

#311789 #893117 #178931

tetradic

#311789 #891736 #6F8917 #17896A

square

#311789 #891736 #6F8917 #17896A

split-complementary

#311789 #896A17 #368917

monochromatic

#0C0520 #1E0E55 #311789 #4420BD #613CDE

Accessibility & contrast

On white

13.01

#311789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#311789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311789

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311789	#FFFFFF	#000000	##FFFFFF
##311789	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358C

Deuteranopia (green-blind)

#002D87

Tritanopia (blue-blind)

#003A51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #311789;
/* rgb */ color: rgb(49, 23, 137);
/* oklch */ color: oklch(33.3% 0.171 282.3);

Tailwind

colors: {
  custom: {
    50: '#7659ad',
    500: '#311789',
    950: '#000000',
  },
}

SCSS

$custom: #311789;
$custom-light: #7659ad;
$custom-dark: #000000;

JSON

{
  "hex": "#311789",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 137
  },
  "hsl": {
    "h": 253.684,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33287,
    "c": 0.17143,
    "h": 282.3
  },
  "luminance": 0.03072
}

Semantic roles & 50–950 ramp

primary

#311789

secondary

#A0BD3F

accent

#EE3AC5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #311789

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

Preview Lab → · Contrast checker → · Palette generator →