#312184#312184

#312184 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.155 H 281.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#312184
RGB	rgb(49, 33, 132)
HSL	hsl(250, 60%, 32%)
HSV	hsv(250, 75%, 52%)
CMYK	cmyk(62.9%, 75%, 0%, 48.2%)
CIE-LAB	lab(21.60, 36.72, -52.83)
CIE-LCH	lch(21.60, 64.33, 304.80°)
OKLab	oklab(34.02% 0.0313 -0.1523)
OKLCH	oklch(34.02% 0.156 281.6)
XYZ	xyz(5.9740, 3.4062, 22.1680)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312184 #748421

analogous

#214384 #312184 #632184

triadic

#312184 #843121 #218431

tetradic

#312184 #842143 #748421 #218463

square

#312184 #842143 #748421 #218463

split-complementary

#312184 #846321 #438421

monochromatic

#0D0922 #1F1553 #312184 #432DB5 #634DD2

Accessibility & contrast

On white

12.49

#312184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#312184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312184

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312184	#FFFFFF	#000000	##FFFFFF
##312184	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003787

Deuteranopia (green-blind)

#003082

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312184;
/* rgb */ color: rgb(49, 33, 132);
/* oklch */ color: oklch(34.0% 0.155 281.6);

Tailwind

colors: {
  custom: {
    50: '#745ea9',
    500: '#312184',
    950: '#000000',
  },
}

SCSS

$custom: #312184;
$custom-light: #745ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#312184",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 132
  },
  "hsl": {
    "h": 249.697,
    "s": 60,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34019,
    "c": 0.1555,
    "h": 281.6
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#312184

secondary

#A4B64B

accent

#E345CA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #312184

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

Preview Lab → · Contrast checker → · Palette generator →