#311D70#311D70

#311D70 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.134 H 287.0°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#311D70
RGB	rgb(49, 29, 112)
HSL	hsl(254, 59%, 28%)
HSV	hsv(254, 74%, 44%)
CMYK	cmyk(56.3%, 74.1%, 0%, 56.1%)
CIE-LAB	lab(18.81, 32.58, -44.65)
CIE-LCH	lch(18.81, 55.27, 306.12°)
OKLab	oklab(31.43% 0.0392 -0.1284)
OKLCH	oklch(31.43% 0.134 287)
XYZ	xyz(4.6297, 2.7013, 15.6035)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D70 #5C701D

analogous

#1D3270 #311D70 #5A1D70

triadic

#311D70 #70311D #1D7031

tetradic

#311D70 #701D32 #5C701D #1D705A

square

#311D70 #701D32 #5C701D #1D705A

split-complementary

#311D70 #705A1D #32701D

monochromatic

#0B0618 #1C103F #311D70 #462AA1 #5E3BCC

Accessibility & contrast

On white

13.63

#311D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#311D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D70

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D70	#FFFFFF	#000000	##FFFFFF
##311D70	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002B6E

Tritanopia (blue-blind)

#173344

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311d70;
/* rgb */ color: rgb(49, 29, 112);
/* oklch */ color: oklch(31.4% 0.134 287.0);

Tailwind

colors: {
  custom: {
    50: '#715b9a',
    500: '#311d70',
    950: '#000000',
  },
}

SCSS

$custom: #311d70;
$custom-light: #715b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#311d70",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 112
  },
  "hsl": {
    "h": 254.458,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31432,
    "c": 0.13421,
    "h": 287
  },
  "luminance": 0.02702
}

Semantic roles & 50–950 ramp

primary

#311D70

secondary

#8DA444

accent

#E246BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311D70

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

Preview Lab → · Contrast checker → · Palette generator →