#3240BB#3240BB

#3240BB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.191 H 271.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3240BB
RGB	rgb(50, 64, 187)
HSL	hsl(234, 58%, 46%)
HSV	hsv(234, 73%, 73%)
CMYK	cmyk(73.3%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(33.84, 36.81, -66.17)
CIE-LCH	lch(33.84, 75.72, 299.08°)
OKLab	oklab(44.45% 0.0034 -0.1913)
OKLCH	oklch(44.45% 0.191 271)
XYZ	xyz(12.1154, 7.9315, 47.8965)
Luminance	0.0793 (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

#3240BB #BBAD32

analogous

#3285BB #3240BB #6932BB

triadic

#3240BB #BB3240 #40BB32

tetradic

#3240BB #BB3285 #BBAD32 #32BB69

square

#3240BB #BB3285 #BBAD32 #32BB69

split-complementary

#3240BB #BB6932 #85BB32

monochromatic

#181F5A #252F8B #3240BB #5864D2 #8891DF

Accessibility & contrast

On white

8.12

#3240BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3240BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3240BB

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3240BB	#FFFFFF	#000000	##FFFFFF
##3240BB	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3240bb;
/* rgb */ color: rgb(50, 64, 187);
/* oklch */ color: oklch(44.4% 0.191 271.0);

Tailwind

colors: {
  custom: {
    50: '#7e75d1',
    500: '#3240bb',
    950: '#000000',
  },
}

SCSS

$custom: #3240bb;
$custom-light: #7e75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3240bb",
  "rgb": {
    "r": 50,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 233.869,
    "s": 57.806,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44448,
    "c": 0.19135,
    "h": 271
  },
  "luminance": 0.07933
}

Semantic roles & 50–950 ramp

primary

#3240BB

secondary

#C9C280

accent

#D147E1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3240BB

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

Preview Lab → · Contrast checker → · Palette generator →