#312EB9#312EB9

#312EB9 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.4% C 0.208 H 273.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#312EB9
RGB	rgb(49, 46, 185)
HSL	hsl(241, 60%, 45%)
HSV	hsv(241, 75%, 73%)
CMYK	cmyk(73.5%, 75.1%, 0%, 27.5%)
CIE-LAB	lab(29.68, 46.73, -71.83)
CIE-LCH	lch(29.68, 85.69, 303.04°)
OKLab	oklab(41.39% 0.0124 -0.2078)
OKLCH	oklch(41.39% 0.208 273.4)
XYZ	xyz(10.9976, 6.1086, 46.4890)
Luminance	0.0611 (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

#312EB9 #B6B92E

analogous

#2E70B9 #312EB9 #762EB9

triadic

#312EB9 #B9312E #2EB931

tetradic

#312EB9 #B92E70 #B6B92E #2EB976

square

#312EB9 #B92E70 #B6B92E #2EB976

split-complementary

#312EB9 #B9762E #70B92E

monochromatic

#171657 #242288 #312EB9 #5351D4 #8482E0

Accessibility & contrast

On white

9.45

#312EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#312EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EB9

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EB9	#FFFFFF	#000000	##FFFFFF
##312EB9	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBD

Deuteranopia (green-blind)

#003FB7

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312eb9;
/* rgb */ color: rgb(49, 46, 185);
/* oklch */ color: oklch(41.4% 0.208 273.4);

Tailwind

colors: {
  custom: {
    50: '#7f69cf',
    500: '#312eb9',
    950: '#000000',
  },
}

SCSS

$custom: #312eb9;
$custom-light: #7f69cf;
$custom-dark: #000000;

JSON

{
  "hex": "#312eb9",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 185
  },
  "hsl": {
    "h": 241.295,
    "s": 60.173,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41385,
    "c": 0.2082,
    "h": 273.4
  },
  "luminance": 0.0611
}

Semantic roles & 50–950 ramp

primary

#312EB9

secondary

#C7C97A

accent

#E344E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312EB9

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

Preview Lab → · Contrast checker → · Palette generator →