#31328E#31328E

#31328E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.148 H 276.2°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#31328E
RGB	rgb(49, 50, 142)
HSL	hsl(239, 49%, 37%)
HSV	hsv(239, 65%, 56%)
CMYK	cmyk(65.5%, 64.8%, 0%, 44.3%)
CIE-LAB	lab(26.41, 29.62, -51.19)
CIE-LCH	lch(26.41, 59.14, 300.06°)
OKLab	oklab(37.77% 0.0159 -0.1475)
OKLCH	oklch(37.77% 0.148 276.2)
XYZ	xyz(7.2881, 4.8866, 26.1451)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31328E #8E8D31

analogous

#31608E #31328E #5F318E

triadic

#31328E #8E3132 #328E31

tetradic

#31328E #8E3160 #8E8D31 #318E5F

square

#31328E #8E3160 #8E8D31 #318E5F

split-complementary

#31328E #8E5F31 #608E31

monochromatic

#121233 #212261 #31328E #4142BB #6D6ECD

Accessibility & contrast

On white

10.62

#31328E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#31328E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31328E

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31328E	#FFFFFF	#000000	##FFFFFF
##31328E	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #31328e;
/* rgb */ color: rgb(49, 50, 142);
/* oklch */ color: oklch(37.8% 0.148 276.2);

Tailwind

colors: {
  custom: {
    50: '#756ab0',
    500: '#31328e',
    950: '#000000',
  },
}

SCSS

$custom: #31328e;
$custom-light: #756ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#31328e",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 142
  },
  "hsl": {
    "h": 239.355,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37772,
    "c": 0.14838,
    "h": 276.2
  },
  "luminance": 0.04887
}

Semantic roles & 50–950 ramp

primary

#31328E

secondary

#B4B367

accent

#D750D8

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #31328E

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

Preview Lab → · Contrast checker → · Palette generator →