#312CBA#312CBA

#312CBA is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.2% C 0.211 H 273.5°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#312CBA
RGB	rgb(49, 44, 186)
HSL	hsl(242, 62%, 45%)
HSV	hsv(242, 76%, 73%)
CMYK	cmyk(73.7%, 76.3%, 0%, 27.1%)
CIE-LAB	lab(29.41, 48.14, -72.88)
CIE-LCH	lch(29.41, 87.35, 303.44°)
OKLab	oklab(41.22% 0.0131 -0.2109)
OKLCH	oklch(41.22% 0.211 273.5)
XYZ	xyz(11.0273, 5.9984, 47.0215)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CBA #B5BA2C

analogous

#2C6EBA #312CBA #782CBA

triadic

#312CBA #BA312C #2CBA31

tetradic

#312CBA #BA2C6E #B5BA2C #2CBA78

square

#312CBA #BA2C6E #B5BA2C #2CBA78

split-complementary

#312CBA #BA782C #6EBA2C

monochromatic

#171557 #242089 #312CBA #534ED5 #8380E1

Accessibility & contrast

On white

9.55

#312CBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#312CBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CBA

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CBA	#FFFFFF	#000000	##FFFFFF
##312CBA	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBE

Deuteranopia (green-blind)

#003EB8

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #312cba;
/* rgb */ color: rgb(49, 44, 186);
/* oklch */ color: oklch(41.2% 0.211 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f68d0',
    500: '#312cba',
    950: '#000000',
  },
}

SCSS

$custom: #312cba;
$custom-light: #7f68d0;
$custom-dark: #000000;

JSON

{
  "hex": "#312cba",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 186
  },
  "hsl": {
    "h": 242.113,
    "s": 61.739,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41221,
    "c": 0.21127,
    "h": 273.5
  },
  "luminance": 0.06
}

Semantic roles & 50–950 ramp

primary

#312CBA

secondary

#C7CA78

accent

#E543DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312CBA

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

Preview Lab → · Contrast checker → · Palette generator →