#311E71#311E71

#311E71 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.7% C 0.134 H 286.5°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#311E71
RGB	rgb(49, 30, 113)
HSL	hsl(254, 58%, 28%)
HSV	hsv(254, 73%, 44%)
CMYK	cmyk(56.6%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(19.11, 32.31, -44.79)
CIE-LCH	lch(19.11, 55.23, 305.80°)
OKLab	oklab(31.68% 0.038 -0.1288)
OKLCH	oklch(31.68% 0.134 286.5)
XYZ	xyz(4.7106, 2.7735, 15.9067)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E71 #5E711E

analogous

#1E3471 #311E71 #5A1E71

triadic

#311E71 #71311E #1E7131

tetradic

#311E71 #711E34 #5E711E #1E715A

square

#311E71 #711E34 #5E711E #1E715A

split-complementary

#311E71 #715A1E #34711E

monochromatic

#0A0618 #1C1141 #311E71 #462BA1 #5E3ECC

Accessibility & contrast

On white

13.51

#311E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#311E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E71

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E71	#FFFFFF	#000000	##FFFFFF
##311E71	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002C6F

Tritanopia (blue-blind)

#163445

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311e71;
/* rgb */ color: rgb(49, 30, 113);
/* oklch */ color: oklch(31.7% 0.134 286.5);

Tailwind

colors: {
  custom: {
    50: '#715c9b',
    500: '#311e71',
    950: '#000000',
  },
}

SCSS

$custom: #311e71;
$custom-light: #715c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#311e71",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 253.735,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31681,
    "c": 0.13428,
    "h": 286.5
  },
  "luminance": 0.02774
}

Semantic roles & 50–950 ramp

primary

#311E71

secondary

#8FA546

accent

#E147BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311E71

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

Preview Lab → · Contrast checker → · Palette generator →