#311975#311975

#311975 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.145 H 286.6°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#311975
RGB	rgb(49, 25, 117)
HSL	hsl(256, 65%, 28%)
HSV	hsv(256, 79%, 46%)
CMYK	cmyk(58.1%, 78.6%, 0%, 54.1%)
CIE-LAB	lab(18.51, 36.39, -48.37)
CIE-LCH	lch(18.51, 60.53, 306.96°)
OKLab	oklab(31.37% 0.0414 -0.1392)
OKLCH	oklch(31.37% 0.145 286.6)
XYZ	xyz(4.8242, 2.6323, 17.0801)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311975 #5D7519

analogous

#192F75 #311975 #5F1975

triadic

#311975 #753119 #197531

tetradic

#311975 #75192F #5D7519 #19755F

square

#311975 #75192F #5D7519 #19755F

split-complementary

#311975 #755F19 #2F7519

monochromatic

#0B0519 #1C0E43 #311975 #4624A7 #5E35D4

Accessibility & contrast

On white

13.76

#311975 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#311975 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311975

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311975	#FFFFFF	#000000	##FFFFFF
##311975	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F78

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#123346

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311975;
/* rgb */ color: rgb(49, 25, 117);
/* oklch */ color: oklch(31.4% 0.145 286.6);

Tailwind

colors: {
  custom: {
    50: '#72599e',
    500: '#311975',
    950: '#000000',
  },
}

SCSS

$custom: #311975;
$custom-light: #72599e;
$custom-dark: #000000;

JSON

{
  "hex": "#311975",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 117
  },
  "hsl": {
    "h": 255.652,
    "s": 64.789,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31372,
    "c": 0.14525,
    "h": 286.6
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary

#311975

secondary

#8EAA40

accent

#E840BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311975

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

Preview Lab → · Contrast checker → · Palette generator →