#3231B1#3231B1

#3231B1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.0% C 0.195 H 274.0°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#3231B1
RGB	rgb(50, 49, 177)
HSL	hsl(240, 57%, 44%)
HSV	hsv(240, 72%, 69%)
CMYK	cmyk(71.8%, 72.3%, 0%, 30.6%)
CIE-LAB	lab(29.53, 42.48, -67.32)
CIE-LCH	lch(29.53, 79.60, 302.25°)
OKLab	oklab(41.05% 0.0135 -0.1947)
OKLCH	oklch(41.05% 0.195 274)
XYZ	xyz(10.3469, 6.0480, 42.2085)
Luminance	0.0605 (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

#3231B1 #B0B131

analogous

#3170B1 #3231B1 #7231B1

triadic

#3231B1 #B13231 #31B132

tetradic

#3231B1 #B13170 #B0B131 #31B172

square

#3231B1 #B13170 #B0B131 #31B172

split-complementary

#3231B1 #B17231 #70B131

monochromatic

#171651 #242481 #3231B1 #5151CF #8180DC

Accessibility & contrast

On white

9.50

#3231B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3231B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3231B1

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3231B1	#FFFFFF	#000000	##FFFFFF
##3231B1	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3231b1;
/* rgb */ color: rgb(50, 49, 177);
/* oklch */ color: oklch(41.0% 0.195 274.0);

Tailwind

colors: {
  custom: {
    50: '#7d6aca',
    500: '#3231b1',
    950: '#000000',
  },
}

SCSS

$custom: #3231b1;
$custom-light: #7d6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3231b1",
  "rgb": {
    "r": 50,
    "g": 49,
    "b": 177
  },
  "hsl": {
    "h": 240.469,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41049,
    "c": 0.19516,
    "h": 274
  },
  "luminance": 0.06049
}

Semantic roles & 50–950 ramp

primary

#3231B1

secondary

#C4C579

accent

#E048DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3231B1

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

Preview Lab → · Contrast checker → · Palette generator →