#3243B3#3243B3

#3243B3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.177 H 270.6°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3243B3
RGB	rgb(50, 67, 179)
HSL	hsl(232, 56%, 45%)
HSV	hsv(232, 72%, 70%)
CMYK	cmyk(72.1%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.87, 32.03, -61.40)
CIE-LCH	lch(33.87, 69.25, 297.55°)
OKLab	oklab(44.26% 0.0019 -0.1773)
OKLCH	oklch(44.26% 0.177 270.6)
XYZ	xyz(11.4565, 7.9459, 43.5690)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3243B3 #B3A232

analogous

#3284B3 #3243B3 #6132B3

triadic

#3243B3 #B33243 #43B332

tetradic

#3243B3 #B33284 #B3A232 #32B361

square

#3243B3 #B33284 #B3A232 #32B361

split-complementary

#3243B3 #B36132 #84B332

monochromatic

#171F53 #253183 #3243B3 #5364CF #838FDC

Accessibility & contrast

On white

8.11

#3243B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3243B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3243B3

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3243B3	#FFFFFF	#000000	##FFFFFF
##3243B3	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3243b3;
/* rgb */ color: rgb(50, 67, 179);
/* oklch */ color: oklch(44.3% 0.177 270.6);

Tailwind

colors: {
  custom: {
    50: '#7c77cb',
    500: '#3243b3',
    950: '#000000',
  },
}

SCSS

$custom: #3243b3;
$custom-light: #7c77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3243b3",
  "rgb": {
    "r": 50,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 232.093,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44255,
    "c": 0.17731,
    "h": 270.6
  },
  "luminance": 0.07947
}

Semantic roles & 50–950 ramp

primary

#3243B3

secondary

#C6BC7B

accent

#CC48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3243B3

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

Preview Lab → · Contrast checker → · Palette generator →