#311257#311257

#311257 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.5% C 0.116 H 298.9°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#311257
RGB	rgb(49, 18, 87)
HSL	hsl(267, 66%, 21%)
HSV	hsv(267, 79%, 34%)
CMYK	cmyk(43.7%, 79.3%, 0%, 65.9%)
CIE-LAB	lab(14.25, 31.10, -35.57)
CIE-LCH	lch(14.25, 47.25, 311.17°)
OKLab	oklab(27.47% 0.0562 -0.1016)
OKLCH	oklch(27.47% 0.116 298.9)
XYZ	xyz(3.2028, 1.7737, 9.1886)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311257 #385712

analogous

#121557 #311257 #531257

triadic

#311257 #573112 #125731

tetradic

#311257 #571215 #385712 #125753

square

#311257 #571215 #385712 #125753

split-complementary

#311257 #575312 #155712

monochromatic

#0E0519 #140824 #311257 #4E1C8A #6A27BC

Accessibility & contrast

On white

15.50

#311257 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#311257 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311257

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311257	#FFFFFF	#000000	##FFFFFF
##311257	1.00	15.50	1.35	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002459

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#282433

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #311257;
/* rgb */ color: rgb(49, 18, 87);
/* oklch */ color: oklch(27.5% 0.116 298.9);

Tailwind

colors: {
  custom: {
    50: '#6d5387',
    500: '#311257',
    950: '#000000',
  },
}

SCSS

$custom: #311257;
$custom-light: #6d5387;
$custom-dark: #000000;

JSON

{
  "hex": "#311257",
  "rgb": {
    "r": 49,
    "g": 18,
    "b": 87
  },
  "hsl": {
    "h": 266.957,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27472,
    "c": 0.11611,
    "h": 298.9
  },
  "luminance": 0.01774
}

Semantic roles & 50–950 ramp

primary

#311257

secondary

#679035

accent

#E93F9C

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #311257

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

Preview Lab → · Contrast checker → · Palette generator →