#312778#312778

#312778 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.132 H 282.3°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#312778
RGB	rgb(49, 39, 120)
HSL	hsl(247, 51%, 31%)
HSV	hsv(247, 68%, 47%)
CMYK	cmyk(59.2%, 67.5%, 0%, 52.9%)
CIE-LAB	lab(21.80, 29.07, -44.90)
CIE-LCH	lch(21.80, 53.49, 302.92°)
OKLab	oklab(33.81% 0.0282 -0.1291)
OKLCH	oklch(33.81% 0.132 282.3)
XYZ	xyz(5.3813, 3.4597, 18.1499)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312778 #6E7827

analogous

#274578 #312778 #592778

triadic

#312778 #783127 #277831

tetradic

#312778 #782745 #6E7827 #277859

square

#312778 #782745 #6E7827 #277859

split-complementary

#312778 #785927 #457827

monochromatic

#0B091C #1E184A #312778 #4436A6 #6152C7

Accessibility & contrast

On white

12.41

#312778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#312778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312778

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312778	#FFFFFF	#000000	##FFFFFF
##312778	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#0B3B4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312778;
/* rgb */ color: rgb(49, 39, 120);
/* oklch */ color: oklch(33.8% 0.132 282.3);

Tailwind

colors: {
  custom: {
    50: '#7162a0',
    500: '#312778',
    950: '#000000',
  },
}

SCSS

$custom: #312778;
$custom-light: #7162a0;
$custom-dark: #000000;

JSON

{
  "hex": "#312778",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 120
  },
  "hsl": {
    "h": 247.407,
    "s": 50.943,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33812,
    "c": 0.13214,
    "h": 282.3
  },
  "luminance": 0.0346
}

Semantic roles & 50–950 ramp

primary

#312778

secondary

#9FAA51

accent

#DA4DC9

background

#F7F5F9

surface

#EDEAF2

border

#C8C6CC

text

#08050F

muted

#7B797E

Preview Lab

Preview with #312778

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

Preview Lab → · Contrast checker → · Palette generator →