#312488#312488

#312488 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.157 H 280.3°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#312488
RGB	rgb(49, 36, 136)
HSL	hsl(248, 58%, 34%)
HSV	hsv(248, 74%, 53%)
CMYK	cmyk(64%, 73.5%, 0%, 46.7%)
CIE-LAB	lab(22.63, 36.29, -53.66)
CIE-LCH	lch(22.63, 64.78, 304.07°)
OKLab	oklab(34.87% 0.0282 -0.1547)
OKLCH	oklch(34.87% 0.157 280.3)
XYZ	xyz(6.3400, 3.6918, 23.6663)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312488 #7B8824

analogous

#244988 #312488 #632488

triadic

#312488 #883124 #248831

tetradic

#312488 #882449 #7B8824 #248863

square

#312488 #882449 #7B8824 #248863

split-complementary

#312488 #886324 #498824

monochromatic

#0E0A27 #201758 #312488 #4231B8 #6555D2

Accessibility & contrast

On white

12.08

#312488 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#312488 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312488

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312488	#FFFFFF	#000000	##FFFFFF
##312488	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8B

Deuteranopia (green-blind)

#003286

Tritanopia (blue-blind)

#003F53

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #312488;
/* rgb */ color: rgb(49, 36, 136);
/* oklch */ color: oklch(34.9% 0.157 280.3);

Tailwind

colors: {
  custom: {
    50: '#7560ac',
    500: '#312488',
    950: '#000000',
  },
}

SCSS

$custom: #312488;
$custom-light: #7560ac;
$custom-dark: #000000;

JSON

{
  "hex": "#312488",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 136
  },
  "hsl": {
    "h": 247.8,
    "s": 58.14,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34867,
    "c": 0.15729,
    "h": 280.3
  },
  "luminance": 0.03692
}

Semantic roles & 50–950 ramp

primary

#312488

secondary

#A9B652

accent

#E146CD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312488

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

Preview Lab → · Contrast checker → · Palette generator →