#312283#312283

#312283 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.153 H 281.6°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#312283
RGB	rgb(49, 34, 131)
HSL	hsl(249, 59%, 32%)
HSV	hsv(249, 74%, 51%)
CMYK	cmyk(62.6%, 74%, 0%, 48.6%)
CIE-LAB	lab(21.71, 35.82, -52.02)
CIE-LCH	lch(21.71, 63.16, 304.55°)
OKLab	oklab(34.07% 0.0308 -0.15)
OKLCH	oklch(34.07% 0.153 281.6)
XYZ	xyz(5.9341, 3.4353, 21.8187)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312283 #748322

analogous

#224483 #312283 #612283

triadic

#312283 #833122 #228331

tetradic

#312283 #832244 #748322 #228361

square

#312283 #832244 #748322 #228361

split-complementary

#312283 #836122 #448322

monochromatic

#0D0922 #1F1552 #312283 #432FB4 #634ED1

Accessibility & contrast

On white

12.45

#312283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#312283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312283

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312283	#FFFFFF	#000000	##FFFFFF
##312283	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003786

Deuteranopia (green-blind)

#003081

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312283;
/* rgb */ color: rgb(49, 34, 131);
/* oklch */ color: oklch(34.1% 0.153 281.6);

Tailwind

colors: {
  custom: {
    50: '#745fa8',
    500: '#312283',
    950: '#000000',
  },
}

SCSS

$custom: #312283;
$custom-light: #745fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#312283",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 131
  },
  "hsl": {
    "h": 249.278,
    "s": 58.788,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34065,
    "c": 0.15309,
    "h": 281.6
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#312283

secondary

#A4B44C

accent

#E246CA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312283

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

Preview Lab → · Contrast checker → · Palette generator →