#312DC9#312DC9

#312DC9 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 43.0% C 0.228 H 272.4°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#312DC9
RGB	rgb(49, 45, 201)
HSL	hsl(242, 63%, 48%)
HSV	hsv(242, 78%, 79%)
CMYK	cmyk(75.6%, 77.6%, 0%, 21.2%)
CIE-LAB	lab(31.22, 52.38, -78.71)
CIE-LCH	lch(31.22, 94.54, 303.64°)
OKLab	oklab(42.97% 0.0096 -0.2278)
OKLCH	oklch(42.97% 0.228 272.4)
XYZ	xyz(12.7441, 6.7454, 55.8774)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312DC9 #C5C92D

analogous

#2D77C9 #312DC9 #7F2DC9

triadic

#312DC9 #C9312D #2DC931

tetradic

#312DC9 #C92D77 #C5C92D #2DC97F

square

#312DC9 #C92D77 #C5C92D #2DC97F

split-complementary

#312DC9 #C97F2D #77C92D

monochromatic

#191765 #252297 #312DC9 #5D59DA #8E8BE5

Accessibility & contrast

On white

8.94

#312DC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#312DC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312DC9

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312DC9	#FFFFFF	#000000	##FFFFFF
##312DC9	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051CD

Deuteranopia (green-blind)

#0042C6

Tritanopia (blue-blind)

#005C7A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #312dc9;
/* rgb */ color: rgb(49, 45, 201);
/* oklch */ color: oklch(43.0% 0.228 272.4);

Tailwind

colors: {
  custom: {
    50: '#8369db',
    500: '#312dc9',
    950: '#000000',
  },
}

SCSS

$custom: #312dc9;
$custom-light: #8369db;
$custom-dark: #000000;

JSON

{
  "hex": "#312dc9",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 201
  },
  "hsl": {
    "h": 241.538,
    "s": 63.415,
    "l": 48.235
  },
  "oklch": {
    "l": 0.42974,
    "c": 0.228,
    "h": 272.4
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#312DC9

secondary

#CDCF83

accent

#E641E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #312DC9

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

Preview Lab → · Contrast checker → · Palette generator →