#31157E#31157E

#31157E is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.160 H 285.0°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#31157E
RGB	rgb(49, 21, 126)
HSL	hsl(256, 71%, 29%)
HSV	hsv(256, 83%, 49%)
CMYK	cmyk(61.1%, 83.3%, 0%, 50.6%)
CIE-LAB	lab(18.78, 41.10, -53.68)
CIE-LCH	lch(18.78, 67.61, 307.44°)
OKLab	oklab(31.85% 0.0414 -0.1547)
OKLCH	oklch(31.85% 0.16 285)
XYZ	xyz(5.2995, 2.6953, 19.9756)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31157E #627E15

analogous

#152E7E #31157E #66157E

triadic

#31157E #7E3115 #157E31

tetradic

#31157E #7E152E #627E15 #157E66

square

#31157E #7E152E #627E15 #157E66

split-complementary

#31157E #7E6615 #2E7E15

monochromatic

#0A041A #1D0C4A #31157E #451EB2 #5F31DD

Accessibility & contrast

On white

13.64

#31157E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#31157E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31157E

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31157E	#FFFFFF	#000000	##FFFFFF
##31157E	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#02354A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #31157e;
/* rgb */ color: rgb(49, 21, 126);
/* oklch */ color: oklch(31.9% 0.160 285.0);

Tailwind

colors: {
  custom: {
    50: '#7457a4',
    500: '#31157e',
    950: '#000000',
  },
}

SCSS

$custom: #31157e;
$custom-light: #7457a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31157e",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 126
  },
  "hsl": {
    "h": 256,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31852,
    "c": 0.16013,
    "h": 285
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#31157E

secondary

#93B33C

accent

#EE3ABE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31157E

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

Preview Lab → · Contrast checker → · Palette generator →