#3240B3#3240B3

#3240B3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.181 H 271.3°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#3240B3
RGB	rgb(50, 64, 179)
HSL	hsl(233, 56%, 45%)
HSV	hsv(233, 72%, 70%)
CMYK	cmyk(72.1%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(33.13, 33.96, -62.60)
CIE-LCH	lch(33.13, 71.22, 298.48°)
OKLab	oklab(43.71% 0.004 -0.1809)
OKLCH	oklch(43.71% 0.181 271.3)
XYZ	xyz(11.2827, 7.5984, 43.5111)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3240B3 #B3A532

analogous

#3281B3 #3240B3 #6432B3

triadic

#3240B3 #B33240 #40B332

tetradic

#3240B3 #B33281 #B3A532 #32B364

square

#3240B3 #B33281 #B3A532 #32B364

split-complementary

#3240B3 #B36432 #81B332

monochromatic

#171E53 #252F83 #3240B3 #5361CF #838DDC

Accessibility & contrast

On white

8.33

#3240B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3240B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3240B3

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3240B3	#FFFFFF	#000000	##FFFFFF
##3240B3	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3240b3;
/* rgb */ color: rgb(50, 64, 179);
/* oklch */ color: oklch(43.7% 0.181 271.3);

Tailwind

colors: {
  custom: {
    50: '#7c75cb',
    500: '#3240b3',
    950: '#000000',
  },
}

SCSS

$custom: #3240b3;
$custom-light: #7c75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3240b3",
  "rgb": {
    "r": 50,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 233.488,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.18091,
    "h": 271.3
  },
  "luminance": 0.076
}

Semantic roles & 50–950 ramp

primary

#3240B3

secondary

#C6BE7B

accent

#CF48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3240B3

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

Preview Lab → · Contrast checker → · Palette generator →