#3240B4#3240B4

#3240B4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.182 H 271.2°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3240B4
RGB	rgb(50, 64, 180)
HSL	hsl(234, 57%, 45%)
HSV	hsv(234, 72%, 71%)
CMYK	cmyk(72.2%, 64.4%, 0%, 29.4%)
CIE-LAB	lab(33.22, 34.31, -63.05)
CIE-LCH	lch(33.22, 71.79, 298.56°)
OKLab	oklab(43.8% 0.0039 -0.1822)
OKLCH	oklch(43.8% 0.182 271.2)
XYZ	xyz(11.3842, 7.6390, 44.0457)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3240B4 #B4A632

analogous

#3281B4 #3240B4 #6532B4

triadic

#3240B4 #B43240 #40B432

tetradic

#3240B4 #B43281 #B4A632 #32B465

square

#3240B4 #B43281 #B4A632 #32B465

split-complementary

#3240B4 #B46532 #81B432

monochromatic

#171E54 #252F84 #3240B4 #5461CF #848DDD

Accessibility & contrast

On white

8.31

#3240B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3240B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3240B4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3240B4	#FFFFFF	#000000	##FFFFFF
##3240B4	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B8

Deuteranopia (green-blind)

#0048B2

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3240b4;
/* rgb */ color: rgb(50, 64, 180);
/* oklch */ color: oklch(43.8% 0.182 271.2);

Tailwind

colors: {
  custom: {
    50: '#7c75cb',
    500: '#3240b4',
    950: '#000000',
  },
}

SCSS

$custom: #3240b4;
$custom-light: #7c75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3240b4",
  "rgb": {
    "r": 50,
    "g": 64,
    "b": 180
  },
  "hsl": {
    "h": 233.538,
    "s": 56.522,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43804,
    "c": 0.18222,
    "h": 271.2
  },
  "luminance": 0.0764
}

Semantic roles & 50–950 ramp

primary

#3240B4

secondary

#C6BE7C

accent

#CF48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3240B4

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

Preview Lab → · Contrast checker → · Palette generator →