#312182#312182

#312182 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.153 H 282.0°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#312182
RGB	rgb(49, 33, 130)
HSL	hsl(250, 60%, 32%)
HSV	hsv(250, 75%, 51%)
CMYK	cmyk(62.3%, 74.6%, 0%, 49%)
CIE-LAB	lab(21.40, 36.07, -51.89)
CIE-LCH	lch(21.40, 63.20, 304.80°)
OKLab	oklab(33.82% 0.0318 -0.1496)
OKLCH	oklch(33.82% 0.153 282)
XYZ	xyz(5.8385, 3.3520, 21.4541)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312182 #728221

analogous

#214282 #312182 #622182

triadic

#312182 #823121 #218231

tetradic

#312182 #822142 #728221 #218262

square

#312182 #822142 #728221 #218262

split-complementary

#312182 #826221 #428221

monochromatic

#0C0820 #1F1551 #312182 #432DB3 #624CD2

Accessibility & contrast

On white

12.57

#312182 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#312182 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312182

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312182	#FFFFFF	#000000	##FFFFFF
##312182	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003785

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #312182;
/* rgb */ color: rgb(49, 33, 130);
/* oklch */ color: oklch(33.8% 0.153 282.0);

Tailwind

colors: {
  custom: {
    50: '#745ea7',
    500: '#312182',
    950: '#000000',
  },
}

SCSS

$custom: #312182;
$custom-light: #745ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#312182",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 130
  },
  "hsl": {
    "h": 249.897,
    "s": 59.509,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33816,
    "c": 0.15293,
    "h": 282
  },
  "luminance": 0.03352
}

Semantic roles & 50–950 ramp

primary

#312182

secondary

#A3B44A

accent

#E345C9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #312182

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

Preview Lab → · Contrast checker → · Palette generator →