#311F89#311F89

#311F89 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.3% C 0.164 H 281.1°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#311F89
RGB	rgb(49, 31, 137)
HSL	hsl(250, 63%, 33%)
HSV	hsv(250, 77%, 54%)
CMYK	cmyk(64.2%, 77.4%, 0%, 46.3%)
CIE-LAB	lab(21.72, 39.44, -55.77)
CIE-LCH	lch(21.72, 68.31, 305.27°)
OKLab	oklab(34.26% 0.0315 -0.1609)
OKLCH	oklch(34.26% 0.164 281.1)
XYZ	xyz(6.2705, 3.4386, 23.9953)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F89 #77891F

analogous

#1F4289 #311F89 #661F89

triadic

#311F89 #89311F #1F8931

tetradic

#311F89 #891F42 #77891F #1F8966

square

#311F89 #891F42 #77891F #1F8966

split-complementary

#311F89 #89661F #42891F

monochromatic

#0D0825 #1F1457 #311F89 #432ABB #634CD6

Accessibility & contrast

On white

12.44

#311F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#311F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F89

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F89	#FFFFFF	#000000	##FFFFFF
##311F89	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388C

Deuteranopia (green-blind)

#003087

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #311f89;
/* rgb */ color: rgb(49, 31, 137);
/* oklch */ color: oklch(34.3% 0.164 281.1);

Tailwind

colors: {
  custom: {
    50: '#755dad',
    500: '#311f89',
    950: '#000000',
  },
}

SCSS

$custom: #311f89;
$custom-light: #755dad;
$custom-dark: #000000;

JSON

{
  "hex": "#311f89",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 137
  },
  "hsl": {
    "h": 250.189,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34258,
    "c": 0.16396,
    "h": 281.1
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#311F89

secondary

#A6B94B

accent

#E642CA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311F89

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

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