#312CB7#312CB7

#312CB7 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.9% C 0.208 H 273.8°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#312CB7
RGB	rgb(49, 44, 183)
HSL	hsl(242, 61%, 45%)
HSV	hsv(242, 76%, 72%)
CMYK	cmyk(73.2%, 76%, 0%, 28.2%)
CIE-LAB	lab(29.09, 47.17, -71.63)
CIE-LCH	lch(29.09, 85.77, 303.37°)
OKLab	oklab(40.9% 0.0137 -0.2072)
OKLCH	oklch(40.9% 0.208 273.8)
XYZ	xyz(10.7117, 5.8721, 45.3595)
Luminance	0.0587 (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

#312CB7 #B2B72C

analogous

#2C6DB7 #312CB7 #762CB7

triadic

#312CB7 #B7312C #2CB731

tetradic

#312CB7 #B72C6D #B2B72C #2CB776

square

#312CB7 #B72C6D #B2B72C #2CB776

split-complementary

#312CB7 #B7762C #6DB72C

monochromatic

#171454 #242086 #312CB7 #514CD4 #817EE0

Accessibility & contrast

On white

9.66

#312CB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#312CB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CB7

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CB7	#FFFFFF	#000000	##FFFFFF
##312CB7	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBB

Deuteranopia (green-blind)

#003EB5

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #312cb7;
/* rgb */ color: rgb(49, 44, 183);
/* oklch */ color: oklch(40.9% 0.208 273.8);

Tailwind

colors: {
  custom: {
    50: '#7e68ce',
    500: '#312cb7',
    950: '#000000',
  },
}

SCSS

$custom: #312cb7;
$custom-light: #7e68ce;
$custom-dark: #000000;

JSON

{
  "hex": "#312cb7",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 183
  },
  "hsl": {
    "h": 242.158,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.409,
    "c": 0.20768,
    "h": 273.8
  },
  "luminance": 0.05873
}

Semantic roles & 50–950 ramp

primary

#312CB7

secondary

#C5C876

accent

#E443DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312CB7

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

Preview Lab → · Contrast checker → · Palette generator →