#3231B3#3231B3

#3231B3 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.198 H 273.8°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3231B3
RGB	rgb(50, 49, 179)
HSL	hsl(240, 57%, 45%)
HSV	hsv(240, 73%, 70%)
CMYK	cmyk(72.1%, 72.6%, 0%, 29.8%)
CIE-LAB	lab(29.73, 43.15, -68.18)
CIE-LCH	lch(29.73, 80.69, 302.32°)
OKLab	oklab(41.25% 0.0132 -0.1972)
OKLCH	oklch(41.25% 0.198 273.8)
XYZ	xyz(10.5477, 6.1284, 43.2661)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3231B3 #B2B331

analogous

#3171B3 #3231B3 #7331B3

triadic

#3231B3 #B33231 #31B332

tetradic

#3231B3 #B33171 #B2B331 #31B373

square

#3231B3 #B33171 #B2B331 #31B373

split-complementary

#3231B3 #B37331 #71B331

monochromatic

#171753 #252483 #3231B3 #5352D0 #8282DD

Accessibility & contrast

On white

9.43

#3231B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3231B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3231B3

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3231B3	#FFFFFF	#000000	##FFFFFF
##3231B3	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0040B1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3231b3;
/* rgb */ color: rgb(50, 49, 179);
/* oklch */ color: oklch(41.3% 0.198 273.8);

Tailwind

colors: {
  custom: {
    50: '#7d6acb',
    500: '#3231b3',
    950: '#000000',
  },
}

SCSS

$custom: #3231b3;
$custom-light: #7d6acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3231b3",
  "rgb": {
    "r": 50,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 240.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41253,
    "c": 0.19764,
    "h": 273.8
  },
  "luminance": 0.06129
}

Semantic roles & 50–950 ramp

primary

#3231B3

secondary

#C5C67A

accent

#E048DF

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3231B3

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

Preview Lab → · Contrast checker → · Palette generator →