#312498#312498

#312498 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.178 H 278.0°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#312498
RGB	rgb(49, 36, 152)
HSL	hsl(247, 62%, 37%)
HSV	hsv(247, 76%, 60%)
CMYK	cmyk(67.8%, 76.3%, 0%, 40.4%)
CIE-LAB	lab(24.26, 41.52, -60.88)
CIE-LCH	lch(24.26, 73.69, 304.29°)
OKLab	oklab(36.52% 0.0246 -0.1759)
OKLCH	oklch(36.52% 0.178 278)
XYZ	xyz(7.5632, 4.1811, 30.1081)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312498 #8B9824

analogous

#245198 #312498 #6B2498

triadic

#312498 #983124 #249831

tetradic

#312498 #982451 #8B9824 #24986B

square

#312498 #982451 #8B9824 #24986B

split-complementary

#312498 #986B24 #519824

monochromatic

#110D35 #211867 #312498 #4130C9 #6B5ED9

Accessibility & contrast

On white

11.44

#312498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#312498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312498

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312498	#FFFFFF	#000000	##FFFFFF
##312498	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9B

Deuteranopia (green-blind)

#003596

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #312498;
/* rgb */ color: rgb(49, 36, 152);
/* oklch */ color: oklch(36.5% 0.178 278.0);

Tailwind

colors: {
  custom: {
    50: '#7861b7',
    500: '#312498',
    950: '#000000',
  },
}

SCSS

$custom: #312498;
$custom-light: #7861b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312498",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 152
  },
  "hsl": {
    "h": 246.724,
    "s": 61.702,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36519,
    "c": 0.17758,
    "h": 278
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#312498

secondary

#B2BE5A

accent

#E543D3

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312498

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

Preview Lab → · Contrast checker → · Palette generator →