#311A87#311A87

#311A87 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.4% C 0.166 H 282.3°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#311A87
RGB	rgb(49, 26, 135)
HSL	hsl(253, 68%, 32%)
HSV	hsv(253, 81%, 53%)
CMYK	cmyk(63.7%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(20.60, 41.42, -56.37)
CIE-LCH	lch(20.60, 69.95, 306.31°)
OKLab	oklab(33.41% 0.0353 -0.1626)
OKLCH	oklch(33.41% 0.166 282.3)
XYZ	xyz(6.0078, 3.1406, 23.2066)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A87 #70871A

analogous

#1A3987 #311A87 #681A87

triadic

#311A87 #87311A #1A8731

tetradic

#311A87 #871A39 #70871A #1A8768

square

#311A87 #871A39 #70871A #1A8768

split-complementary

#311A87 #87681A #39871A

monochromatic

#0C0620 #1E1054 #311A87 #4424BA #6141DA

Accessibility & contrast

On white

12.90

#311A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#311A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A87

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A87	#FFFFFF	#000000	##FFFFFF
##311A87	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002E85

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #311a87;
/* rgb */ color: rgb(49, 26, 135);
/* oklch */ color: oklch(33.4% 0.166 282.3);

Tailwind

colors: {
  custom: {
    50: '#755aab',
    500: '#311a87',
    950: '#000000',
  },
}

SCSS

$custom: #311a87;
$custom-light: #755aab;
$custom-dark: #000000;

JSON

{
  "hex": "#311a87",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 252.661,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33409,
    "c": 0.16639,
    "h": 282.3
  },
  "luminance": 0.03141
}

Semantic roles & 50–950 ramp

primary

#311A87

secondary

#A1BA42

accent

#EB3DC6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311A87

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

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