#3243BC#3243BC

#3243BC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.189 H 270.4°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3243BC
RGB	rgb(50, 67, 188)
HSL	hsl(233, 58%, 47%)
HSV	hsv(233, 73%, 74%)
CMYK	cmyk(73.4%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(34.64, 35.27, -65.44)
CIE-LCH	lch(34.64, 74.34, 298.32°)
OKLab	oklab(45.06% 0.0015 -0.1892)
OKLCH	oklch(45.06% 0.189 270.4)
XYZ	xyz(12.3966, 8.3220, 48.5202)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3243BC #BCAB32

analogous

#3288BC #3243BC #6632BC

triadic

#3243BC #BC3243 #43BC32

tetradic

#3243BC #BC3288 #BCAB32 #32BC66

square

#3243BC #BC3288 #BCAB32 #32BC66

split-complementary

#3243BC #BC6632 #88BC32

monochromatic

#18215B #25328C #3243BC #5868D3 #8994E0

Accessibility & contrast

On white

7.88

#3243BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3243BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3243BC

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3243BC	#FFFFFF	#000000	##FFFFFF
##3243BC	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3243bc;
/* rgb */ color: rgb(50, 67, 188);
/* oklch */ color: oklch(45.1% 0.189 270.4);

Tailwind

colors: {
  custom: {
    50: '#7e77d1',
    500: '#3243bc',
    950: '#000000',
  },
}

SCSS

$custom: #3243bc;
$custom-light: #7e77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3243bc",
  "rgb": {
    "r": 50,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 232.609,
    "s": 57.983,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45064,
    "c": 0.18918,
    "h": 270.4
  },
  "luminance": 0.08323
}

Semantic roles & 50–950 ramp

primary

#3243BC

secondary

#C9C080

accent

#CE47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #3243BC

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

Preview Lab → · Contrast checker → · Palette generator →