#311775#311775

#311775 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 31.1% C 0.147 H 287.0°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#311775
RGB	rgb(49, 23, 117)
HSL	hsl(257, 67%, 27%)
HSV	hsv(257, 80%, 46%)
CMYK	cmyk(58.1%, 80.3%, 0%, 54.1%)
CIE-LAB	lab(18.14, 37.43, -48.97)
CIE-LCH	lch(18.14, 61.63, 307.39°)
OKLab	oklab(31.12% 0.043 -0.1409)
OKLCH	oklch(31.12% 0.147 287)
XYZ	xyz(4.7829, 2.5499, 17.0663)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311775 #5B7517

analogous

#172C75 #311775 #601775

triadic

#311775 #753117 #177531

tetradic

#311775 #75172C #5B7517 #177560

square

#311775 #75172C #5B7517 #177560

split-complementary

#311775 #756017 #2C7517

monochromatic

#0B051A #1C0D42 #311775 #4621A8 #5E30D6

Accessibility & contrast

On white

13.91

#311775 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#311775 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311775

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311775	#FFFFFF	#000000	##FFFFFF
##311775	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F78

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#123245

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311775;
/* rgb */ color: rgb(49, 23, 117);
/* oklch */ color: oklch(31.1% 0.147 287.0);

Tailwind

colors: {
  custom: {
    50: '#72589e',
    500: '#311775',
    950: '#000000',
  },
}

SCSS

$custom: #311775;
$custom-light: #72589e;
$custom-dark: #000000;

JSON

{
  "hex": "#311775",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 117
  },
  "hsl": {
    "h": 256.596,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31117,
    "c": 0.14736,
    "h": 287
  },
  "luminance": 0.0255
}

Semantic roles & 50–950 ramp

primary

#311775

secondary

#8CAA3D

accent

#EA3EBA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311775

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

Preview Lab → · Contrast checker → · Palette generator →