#311554#311554

#311554 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.6% C 0.108 H 299.6°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#311554
RGB	rgb(49, 21, 84)
HSL	hsl(267, 60%, 21%)
HSV	hsv(267, 75%, 33%)
CMYK	cmyk(41.7%, 75%, 0%, 67.1%)
CIE-LAB	lab(14.57, 28.60, -33.02)
CIE-LCH	lch(14.57, 43.69, 310.89°)
OKLab	oklab(27.61% 0.0534 -0.0942)
OKLCH	oklch(27.61% 0.108 299.6)
XYZ	xyz(3.1346, 1.8294, 8.5737)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311554 #385415

analogous

#151854 #311554 #501554

triadic

#311554 #543115 #155431

tetradic

#311554 #541518 #385415 #155450

square

#311554 #541518 #385415 #155450

split-complementary

#311554 #545015 #185415

monochromatic

#0E0618 #140923 #311554 #4E2185 #6A2DB6

Accessibility & contrast

On white

15.38

#311554 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#311554 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311554

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311554	#FFFFFF	#000000	##FFFFFF
##311554	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002556

Deuteranopia (green-blind)

#002453

Tritanopia (blue-blind)

#292432

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311554;
/* rgb */ color: rgb(49, 21, 84);
/* oklch */ color: oklch(27.6% 0.108 299.6);

Tailwind

colors: {
  custom: {
    50: '#6d5585',
    500: '#311554',
    950: '#000000',
  },
}

SCSS

$custom: #311554;
$custom-light: #6d5585;
$custom-dark: #000000;

JSON

{
  "hex": "#311554",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 84
  },
  "hsl": {
    "h": 266.667,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.2761,
    "c": 0.10828,
    "h": 299.6
  },
  "luminance": 0.01829
}

Semantic roles & 50–950 ramp

primary

#311554

secondary

#678C39

accent

#E3459D

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311554

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

Preview Lab → · Contrast checker → · Palette generator →