#311F85#311F85

#311F85 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.159 H 281.8°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#311F85
RGB	rgb(49, 31, 133)
HSL	hsl(251, 62%, 32%)
HSV	hsv(251, 77%, 52%)
CMYK	cmyk(63.2%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(21.30, 38.17, -53.94)
CIE-LCH	lch(21.30, 66.08, 305.28°)
OKLab	oklab(33.84% 0.0326 -0.1556)
OKLCH	oklch(33.84% 0.159 281.8)
XYZ	xyz(5.9889, 3.3260, 22.5121)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F85 #73851F

analogous

#1F4085 #311F85 #641F85

triadic

#311F85 #85311F #1F8531

tetradic

#311F85 #851F40 #73851F #1F8564

square

#311F85 #851F40 #73851F #1F8564

split-complementary

#311F85 #85641F #40851F

monochromatic

#0C0822 #1F1353 #311F85 #432BB7 #624AD5

Accessibility & contrast

On white

12.61

#311F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#311F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F85

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F85	#FFFFFF	#000000	##FFFFFF
##311F85	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003788

Deuteranopia (green-blind)

#002F83

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311f85;
/* rgb */ color: rgb(49, 31, 133);
/* oklch */ color: oklch(33.8% 0.159 281.8);

Tailwind

colors: {
  custom: {
    50: '#755daa',
    500: '#311f85',
    950: '#000000',
  },
}

SCSS

$custom: #311f85;
$custom-light: #755daa;
$custom-dark: #000000;

JSON

{
  "hex": "#311f85",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 250.588,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3384,
    "c": 0.15894,
    "h": 281.8
  },
  "luminance": 0.03326
}

Semantic roles & 50–950 ramp

primary

#311F85

secondary

#A4B749

accent

#E543C9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311F85

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

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