#3240B8#3240B8

#3240B8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.187 H 271.1°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3240B8
RGB	rgb(50, 64, 184)
HSL	hsl(234, 57%, 46%)
HSV	hsv(234, 73%, 72%)
CMYK	cmyk(72.8%, 65.2%, 0%, 27.8%)
CIE-LAB	lab(33.57, 35.74, -64.84)
CIE-LCH	lch(33.57, 74.04, 298.86°)
OKLab	oklab(44.17% 0.0037 -0.1874)
OKLCH	oklch(44.17% 0.187 271.1)
XYZ	xyz(11.7976, 7.8044, 46.2228)
Luminance	0.0781 (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

#3240B8 #B8AA32

analogous

#3283B8 #3240B8 #6732B8

triadic

#3240B8 #B83240 #40B832

tetradic

#3240B8 #B83283 #B8AA32 #32B867

square

#3240B8 #B83283 #B8AA32 #32B867

split-complementary

#3240B8 #B86732 #83B832

monochromatic

#181F58 #252F88 #3240B8 #5663D1 #868FDE

Accessibility & contrast

On white

8.20

#3240B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3240B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3240B8

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3240B8	#FFFFFF	#000000	##FFFFFF
##3240B8	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3240b8;
/* rgb */ color: rgb(50, 64, 184);
/* oklch */ color: oklch(44.2% 0.187 271.1);

Tailwind

colors: {
  custom: {
    50: '#7d75ce',
    500: '#3240b8',
    950: '#000000',
  },
}

SCSS

$custom: #3240b8;
$custom-light: #7d75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3240b8",
  "rgb": {
    "r": 50,
    "g": 64,
    "b": 184
  },
  "hsl": {
    "h": 233.731,
    "s": 57.265,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4417,
    "c": 0.18747,
    "h": 271.1
  },
  "luminance": 0.07806
}

Semantic roles & 50–950 ramp

primary

#3240B8

secondary

#C8C07E

accent

#D147E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3240B8

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

Preview Lab → · Contrast checker → · Palette generator →