#312CB8#312CB8

#312CB8 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.0% C 0.209 H 273.7°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#312CB8
RGB	rgb(49, 44, 184)
HSL	hsl(242, 61%, 45%)
HSV	hsv(242, 76%, 72%)
CMYK	cmyk(73.4%, 76.1%, 0%, 27.8%)
CIE-LAB	lab(29.19, 47.49, -72.05)
CIE-LCH	lch(29.19, 86.30, 303.39°)
OKLab	oklab(41.01% 0.0135 -0.2084)
OKLCH	oklch(41.01% 0.209 273.7)
XYZ	xyz(10.8162, 5.9139, 45.9096)
Luminance	0.0592 (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

#312CB8 #B3B82C

analogous

#2C6DB8 #312CB8 #772CB8

triadic

#312CB8 #B8312C #2CB831

tetradic

#312CB8 #B82C6D #B3B82C #2CB877

square

#312CB8 #B82C6D #B3B82C #2CB877

split-complementary

#312CB8 #B8772C #6DB82C

monochromatic

#171455 #242087 #312CB8 #524DD4 #827EE0

Accessibility & contrast

On white

9.62

#312CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#312CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CB8

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CB8	#FFFFFF	#000000	##FFFFFF
##312CB8	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBC

Deuteranopia (green-blind)

#003EB6

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #312cb8;
/* rgb */ color: rgb(49, 44, 184);
/* oklch */ color: oklch(41.0% 0.209 273.7);

Tailwind

colors: {
  custom: {
    50: '#7f68cf',
    500: '#312cb8',
    950: '#000000',
  },
}

SCSS

$custom: #312cb8;
$custom-light: #7f68cf;
$custom-dark: #000000;

JSON

{
  "hex": "#312cb8",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 184
  },
  "hsl": {
    "h": 242.143,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41007,
    "c": 0.20888,
    "h": 273.7
  },
  "luminance": 0.05915
}

Semantic roles & 50–950 ramp

primary

#312CB8

secondary

#C6C977

accent

#E543DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312CB8

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

Preview Lab → · Contrast checker → · Palette generator →