#311751#311751

#311751 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 27.7% C 0.101 H 300.5°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#311751
RGB	rgb(49, 23, 81)
HSL	hsl(267, 56%, 20%)
HSV	hsv(267, 72%, 32%)
CMYK	cmyk(39.5%, 71.6%, 0%, 68.2%)
CIE-LAB	lab(14.73, 26.55, -30.71)
CIE-LCH	lch(14.73, 40.60, 310.85°)
OKLab	oklab(27.65% 0.0514 -0.0874)
OKLCH	oklch(27.65% 0.101 300.5)
XYZ	xyz(3.0579, 1.8598, 7.9809)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311751 #375117

analogous

#171A51 #311751 #4E1751

triadic

#311751 #513117 #175131

tetradic

#311751 #51171A #375117 #17514E

square

#311751 #51171A #375117 #17514E

split-complementary

#311751 #514E17 #1A5117

monochromatic

#0E0718 #140921 #311751 #4E2581 #6B32B0

Accessibility & contrast

On white

15.31

#311751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#311751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311751

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311751	#FFFFFF	#000000	##FFFFFF
##311751	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002553

Deuteranopia (green-blind)

#002550

Tritanopia (blue-blind)

#2A2431

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311751;
/* rgb */ color: rgb(49, 23, 81);
/* oklch */ color: oklch(27.7% 0.101 300.5);

Tailwind

colors: {
  custom: {
    50: '#6c5682',
    500: '#311751',
    950: '#000000',
  },
}

SCSS

$custom: #311751;
$custom-light: #6c5682;
$custom-dark: #000000;

JSON

{
  "hex": "#311751",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 81
  },
  "hsl": {
    "h": 266.897,
    "s": 55.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.27651,
    "c": 0.10137,
    "h": 300.5
  },
  "luminance": 0.0186
}

Semantic roles & 50–950 ramp

primary

#311751

secondary

#66883C

accent

#DF499C

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311751

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

Preview Lab → · Contrast checker → · Palette generator →