#3243B8#3243B8

#3243B8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.184 H 270.5°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3243B8
RGB	rgb(50, 67, 184)
HSL	hsl(232, 57%, 46%)
HSV	hsv(232, 73%, 72%)
CMYK	cmyk(72.8%, 63.6%, 0%, 27.8%)
CIE-LAB	lab(34.30, 33.83, -63.66)
CIE-LCH	lch(34.30, 72.09, 297.99°)
OKLab	oklab(44.7% 0.0017 -0.1839)
OKLCH	oklch(44.7% 0.184 270.5)
XYZ	xyz(11.9713, 8.1519, 46.2807)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3243B8 #B8A732

analogous

#3286B8 #3243B8 #6432B8

triadic

#3243B8 #B83243 #43B832

tetradic

#3243B8 #B83286 #B8A732 #32B864

square

#3243B8 #B83286 #B8A732 #32B864

split-complementary

#3243B8 #B86432 #86B832

monochromatic

#182058 #253188 #3243B8 #5666D1 #8691DE

Accessibility & contrast

On white

7.98

#3243B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3243B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3243B8

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3243B8	#FFFFFF	#000000	##FFFFFF
##3243B8	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004AB6

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3243b8;
/* rgb */ color: rgb(50, 67, 184);
/* oklch */ color: oklch(44.7% 0.184 270.5);

Tailwind

colors: {
  custom: {
    50: '#7d77ce',
    500: '#3243b8',
    950: '#000000',
  },
}

SCSS

$custom: #3243b8;
$custom-light: #7d77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3243b8",
  "rgb": {
    "r": 50,
    "g": 67,
    "b": 184
  },
  "hsl": {
    "h": 232.388,
    "s": 57.265,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44702,
    "c": 0.18394,
    "h": 270.5
  },
  "luminance": 0.08153
}

Semantic roles & 50–950 ramp

primary

#3243B8

secondary

#C8BE7E

accent

#CD47E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3243B8

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

Preview Lab → · Contrast checker → · Palette generator →