#312481#312481

#312481 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.148 H 281.5°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#312481
RGB	rgb(49, 36, 129)
HSL	hsl(248, 56%, 32%)
HSV	hsv(248, 72%, 51%)
CMYK	cmyk(62%, 72.1%, 0%, 49.4%)
CIE-LAB	lab(21.94, 33.97, -50.38)
CIE-LCH	lch(21.94, 60.76, 303.99°)
OKLab	oklab(34.17% 0.0296 -0.1452)
OKLCH	oklch(34.17% 0.148 281.5)
XYZ	xyz(5.8587, 3.4993, 21.1313)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312481 #748124

analogous

#244681 #312481 #602481

triadic

#312481 #813124 #248131

tetradic

#312481 #812446 #748124 #248160

square

#312481 #812446 #748124 #248160

split-complementary

#312481 #816024 #468124

monochromatic

#0D0921 #1F1751 #312481 #4331B1 #6351CE

Accessibility & contrast

On white

12.35

#312481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#312481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312481

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312481	#FFFFFF	#000000	##FFFFFF
##312481	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#00317F

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312481;
/* rgb */ color: rgb(49, 36, 129);
/* oklch */ color: oklch(34.2% 0.148 281.5);

Tailwind

colors: {
  custom: {
    50: '#7360a6',
    500: '#312481',
    950: '#000000',
  },
}

SCSS

$custom: #312481;
$custom-light: #7360a6;
$custom-dark: #000000;

JSON

{
  "hex": "#312481",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 129
  },
  "hsl": {
    "h": 248.387,
    "s": 56.364,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34171,
    "c": 0.14814,
    "h": 281.5
  },
  "luminance": 0.035
}

Semantic roles & 50–950 ramp

primary

#312481

secondary

#A4B24E

accent

#E048CA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #312481

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

Preview Lab → · Contrast checker → · Palette generator →