#311A90#311A90

#311A90 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.177 H 280.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#311A90
RGB	rgb(49, 26, 144)
HSL	hsl(252, 69%, 33%)
HSV	hsv(252, 82%, 56%)
CMYK	cmyk(66%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(21.60, 44.16, -60.34)
CIE-LCH	lch(21.60, 74.77, 306.20°)
OKLab	oklab(34.4% 0.0325 -0.1742)
OKLCH	oklch(34.4% 0.177 280.6)
XYZ	xyz(6.6685, 3.4049, 26.6859)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A90 #79901A

analogous

#1A3E90 #311A90 #6C1A90

triadic

#311A90 #90311A #1A9031

tetradic

#311A90 #901A3E #79901A #1A906C

square

#311A90 #901A3E #79901A #1A906C

split-complementary

#311A90 #906C1A #3E901A

monochromatic

#0E0728 #1F115C #311A90 #4323C4 #6447DE

Accessibility & contrast

On white

12.49

#311A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#311A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A90

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A90	#FFFFFF	#000000	##FFFFFF
##311A90	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003893

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#003E56

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #311a90;
/* rgb */ color: rgb(49, 26, 144);
/* oklch */ color: oklch(34.4% 0.177 280.6);

Tailwind

colors: {
  custom: {
    50: '#775bb2',
    500: '#311a90',
    950: '#000000',
  },
}

SCSS

$custom: #311a90;
$custom-light: #775bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#311a90",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 251.695,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.17717,
    "h": 280.6
  },
  "luminance": 0.03405
}

Semantic roles & 50–950 ramp

primary

#311A90

secondary

#A8BF47

accent

#EC3CCA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311A90

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

Preview Lab → · Contrast checker → · Palette generator →