#31329D#31329D

#31329D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.169 H 274.9°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#31329D
RGB	rgb(49, 50, 157)
HSL	hsl(239, 52%, 40%)
HSV	hsv(239, 69%, 62%)
CMYK	cmyk(68.8%, 68.2%, 0%, 38.4%)
CIE-LAB	lab(27.76, 34.91, -58.19)
CIE-LCH	lch(27.76, 67.86, 300.96°)
OKLab	oklab(39.17% 0.0145 -0.168)
OKLCH	oklch(39.17% 0.169 274.9)
XYZ	xyz(8.4910, 5.3677, 32.4804)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31329D #9D9C31

analogous

#31689D #31329D #66319D

triadic

#31329D #9D3132 #329D31

tetradic

#31329D #9D3168 #9D9C31 #319D66

square

#31329D #9D3168 #9D9C31 #319D66

split-complementary

#31329D #9D6631 #689D31

monochromatic

#141440 #22236E #31329D #4647C5 #7575D4

Accessibility & contrast

On white

10.13

#31329D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#31329D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31329D

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31329D	#FFFFFF	#000000	##FFFFFF
##31329D	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #31329d;
/* rgb */ color: rgb(49, 50, 157);
/* oklch */ color: oklch(39.2% 0.169 274.9);

Tailwind

colors: {
  custom: {
    50: '#786abb',
    500: '#31329d',
    950: '#000000',
  },
}

SCSS

$custom: #31329d;
$custom-light: #786abb;
$custom-dark: #000000;

JSON

{
  "hex": "#31329d",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 157
  },
  "hsl": {
    "h": 239.444,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.16865,
    "h": 274.9
  },
  "luminance": 0.05368
}

Semantic roles & 50–950 ramp

primary

#31329D

secondary

#BCBB6E

accent

#DB4CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #31329D

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

Preview Lab → · Contrast checker → · Palette generator →