#3243B5#3243B5

#3243B5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.180 H 270.6°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3243B5
RGB	rgb(50, 67, 181)
HSL	hsl(232, 57%, 45%)
HSV	hsv(232, 72%, 71%)
CMYK	cmyk(72.4%, 63%, 0%, 29%)
CIE-LAB	lab(34.04, 32.75, -62.30)
CIE-LCH	lch(34.04, 70.39, 297.73°)
OKLab	oklab(44.43% 0.0018 -0.18)
OKLCH	oklch(44.43% 0.18 270.6)
XYZ	xyz(11.6602, 8.0274, 44.6420)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3243B5 #B5A432

analogous

#3284B5 #3243B5 #6332B5

triadic

#3243B5 #B53243 #43B532

tetradic

#3243B5 #B53284 #B5A432 #32B563

square

#3243B5 #B53284 #B5A432 #32B563

split-complementary

#3243B5 #B56332 #84B532

monochromatic

#181F55 #253185 #3243B5 #5464D0 #8490DD

Accessibility & contrast

On white

8.06

#3243B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3243B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3243B5

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3243B5	#FFFFFF	#000000	##FFFFFF
##3243B5	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3243b5;
/* rgb */ color: rgb(50, 67, 181);
/* oklch */ color: oklch(44.4% 0.180 270.6);

Tailwind

colors: {
  custom: {
    50: '#7c77cc',
    500: '#3243b5',
    950: '#000000',
  },
}

SCSS

$custom: #3243b5;
$custom-light: #7c77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3243b5",
  "rgb": {
    "r": 50,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 232.214,
    "s": 56.71,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44433,
    "c": 0.17997,
    "h": 270.6
  },
  "luminance": 0.08029
}

Semantic roles & 50–950 ramp

primary

#3243B5

secondary

#C7BD7C

accent

#CC48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3243B5

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

Preview Lab → · Contrast checker → · Palette generator →