#311E85#311E85

#311E85 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.160 H 282.0°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#311E85
RGB	rgb(49, 30, 133)
HSL	hsl(251, 63%, 32%)
HSV	hsv(251, 77%, 52%)
CMYK	cmyk(63.2%, 77.4%, 0%, 47.8%)
CIE-LAB	lab(21.11, 38.72, -54.26)
CIE-LCH	lch(21.11, 66.66, 305.51°)
OKLab	oklab(33.7% 0.0333 -0.1565)
OKLCH	oklch(33.7% 0.16 282)
XYZ	xyz(5.9632, 3.2745, 22.5036)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E85 #72851E

analogous

#1E3F85 #311E85 #651E85

triadic

#311E85 #85311E #1E8531

tetradic

#311E85 #851E3F #72851E #1E8565

square

#311E85 #851E3F #72851E #1E8565

split-complementary

#311E85 #85651E #3F851E

monochromatic

#0C0721 #1F1353 #311E85 #4329B7 #6248D6

Accessibility & contrast

On white

12.69

#311E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#311E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E85

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E85	#FFFFFF	#000000	##FFFFFF
##311E85	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003688

Deuteranopia (green-blind)

#002F83

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311e85;
/* rgb */ color: rgb(49, 30, 133);
/* oklch */ color: oklch(33.7% 0.160 282.0);

Tailwind

colors: {
  custom: {
    50: '#755daa',
    500: '#311e85',
    950: '#000000',
  },
}

SCSS

$custom: #311e85;
$custom-light: #755daa;
$custom-dark: #000000;

JSON

{
  "hex": "#311e85",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 133
  },
  "hsl": {
    "h": 251.068,
    "s": 63.19,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33704,
    "c": 0.15999,
    "h": 282
  },
  "luminance": 0.03275
}

Semantic roles & 50–950 ramp

primary

#311E85

secondary

#A3B847

accent

#E642C8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E85

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

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