#31348A#31348A

#31348A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.140 H 275.9°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#31348A
RGB	rgb(49, 52, 138)
HSL	hsl(238, 48%, 37%)
HSV	hsv(238, 64%, 54%)
CMYK	cmyk(64.5%, 62.3%, 0%, 45.9%)
CIE-LAB	lab(26.57, 26.88, -48.44)
CIE-LCH	lch(26.57, 55.40, 299.02°)
OKLab	oklab(37.79% 0.0143 -0.1394)
OKLCH	oklch(37.79% 0.14 275.9)
XYZ	xyz(7.0806, 4.9434, 24.6209)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31348A #8A8731

analogous

#31618A #31348A #5B318A

triadic

#31348A #8A3134 #348A31

tetradic

#31348A #8A3161 #8A8731 #318A5B

square

#31348A #8A3161 #8A8731 #318A5B

split-complementary

#31348A #8A5B31 #618A31

monochromatic

#111230 #21235D #31348A #4145B7 #6B6ECA

Accessibility & contrast

On white

10.56

#31348A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#31348A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31348A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31348A	#FFFFFF	#000000	##FFFFFF
##31348A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #31348a;
/* rgb */ color: rgb(49, 52, 138);
/* oklch */ color: oklch(37.8% 0.140 275.9);

Tailwind

colors: {
  custom: {
    50: '#746bad',
    500: '#31348a',
    950: '#000000',
  },
}

SCSS

$custom: #31348a;
$custom-light: #746bad;
$custom-dark: #000000;

JSON

{
  "hex": "#31348a",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 138
  },
  "hsl": {
    "h": 237.978,
    "s": 47.594,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37786,
    "c": 0.14017,
    "h": 275.9
  },
  "luminance": 0.04944
}

Semantic roles & 50–950 ramp

primary

#31348A

secondary

#B2AF65

accent

#D351D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #31348A

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

Preview Lab → · Contrast checker → · Palette generator →