#31188E#31188E

#31188E is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.0% C 0.176 H 281.2°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#31188E
RGB	rgb(49, 24, 142)
HSL	hsl(253, 71%, 33%)
HSV	hsv(253, 83%, 56%)
CMYK	cmyk(65.5%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(21.05, 44.49, -60.00)
CIE-LCH	lch(21.05, 74.69, 306.56°)
OKLab	oklab(33.95% 0.0342 -0.1731)
OKLCH	oklch(33.95% 0.176 281.2)
XYZ	xyz(6.4742, 3.2587, 25.8738)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31188E #758E18

analogous

#183A8E #31188E #6C188E

triadic

#31188E #8E3118 #188E31

tetradic

#31188E #8E183A #758E18 #188E6C

square

#31188E #8E183A #758E18 #188E6C

split-complementary

#31188E #8E6C18 #3A8E18

monochromatic

#0D0625 #1F0F5A #31188E #4321C2 #6341DF

Accessibility & contrast

On white

12.71

#31188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#31188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31188E

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31188E	#FFFFFF	#000000	##FFFFFF
##31188E	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003691

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #31188e;
/* rgb */ color: rgb(49, 24, 142);
/* oklch */ color: oklch(34.0% 0.176 281.2);

Tailwind

colors: {
  custom: {
    50: '#775ab0',
    500: '#31188e',
    950: '#000000',
  },
}

SCSS

$custom: #31188e;
$custom-light: #775ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#31188e",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 252.712,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33954,
    "c": 0.17649,
    "h": 281.2
  },
  "luminance": 0.03259
}

Semantic roles & 50–950 ramp

primary

#31188E

secondary

#A5C042

accent

#EE3AC8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #31188E

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

Preview Lab → · Contrast checker → · Palette generator →