#31177C#31177C

#31177C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.156 H 285.2°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#31177C
RGB	rgb(49, 23, 124)
HSL	hsl(255, 69%, 29%)
HSV	hsv(255, 81%, 49%)
CMYK	cmyk(60.5%, 81.5%, 0%, 51.4%)
CIE-LAB	lab(18.89, 39.55, -52.22)
CIE-LCH	lch(18.89, 65.51, 307.14°)
OKLab	oklab(31.86% 0.0408 -0.1505)
OKLCH	oklch(31.86% 0.156 285.2)
XYZ	xyz(5.2100, 2.7207, 19.3155)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31177C #627C17

analogous

#17307C #31177C #64177C

triadic

#31177C #7C3117 #177C31

tetradic

#31177C #7C1730 #627C17 #177C64

square

#31177C #7C1730 #627C17 #177C64

split-complementary

#31177C #7C6417 #307C17

monochromatic

#0A051A #1D0D48 #31177C #4521B0 #5F34D9

Accessibility & contrast

On white

13.60

#31177C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#31177C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31177C

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31177C	#FFFFFF	#000000	##FFFFFF
##31177C	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#063549

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #31177c;
/* rgb */ color: rgb(49, 23, 124);
/* oklch */ color: oklch(31.9% 0.156 285.2);

Tailwind

colors: {
  custom: {
    50: '#7358a3',
    500: '#31177c',
    950: '#000000',
  },
}

SCSS

$custom: #31177c;
$custom-light: #7358a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31177c",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 124
  },
  "hsl": {
    "h": 255.446,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31862,
    "c": 0.15589,
    "h": 285.2
  },
  "luminance": 0.02721
}

Semantic roles & 50–950 ramp

primary

#31177C

secondary

#93B13E

accent

#EC3CBE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31177C

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

Preview Lab → · Contrast checker → · Palette generator →