#3243A8#3243A8

#3243A8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.162 H 270.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3243A8
RGB	rgb(50, 67, 168)
HSL	hsl(231, 54%, 43%)
HSV	hsv(231, 70%, 66%)
CMYK	cmyk(70.2%, 60.1%, 0%, 34.1%)
CIE-LAB	lab(32.96, 28.02, -56.33)
CIE-LCH	lch(32.96, 62.91, 296.45°)
OKLab	oklab(43.3% 0.002 -0.1624)
OKLCH	oklch(43.3% 0.162 270.7)
XYZ	xyz(10.3880, 7.5186, 37.9420)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3243A8 #A89732

analogous

#327EA8 #3243A8 #5C32A8

triadic

#3243A8 #A83243 #43A832

tetradic

#3243A8 #A8327E #A89732 #32A85C

square

#3243A8 #A8327E #A89732 #32A85C

split-complementary

#3243A8 #A85C32 #7EA832

monochromatic

#161D4A #243079 #3243A8 #4D5FCA #7C8AD8

Accessibility & contrast

On white

8.39

#3243A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3243A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3243A8

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3243A8	#FFFFFF	#000000	##FFFFFF
##3243A8	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3243a8;
/* rgb */ color: rgb(50, 67, 168);
/* oklch */ color: oklch(43.3% 0.162 270.7);

Tailwind

colors: {
  custom: {
    50: '#7977c3',
    500: '#3243a8',
    950: '#000000',
  },
}

SCSS

$custom: #3243a8;
$custom-light: #7977c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3243a8",
  "rgb": {
    "r": 50,
    "g": 67,
    "b": 168
  },
  "hsl": {
    "h": 231.356,
    "s": 54.128,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43298,
    "c": 0.16243,
    "h": 270.7
  },
  "luminance": 0.0752
}

Semantic roles & 50–950 ramp

primary

#3243A8

secondary

#C1B675

accent

#C84ADD

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #3243A8

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

Preview Lab → · Contrast checker → · Palette generator →