#43379A#43379A

#43379A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.155 H 282.7°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#43379A
RGB	rgb(67, 55, 154)
HSL	hsl(247, 47%, 41%)
HSV	hsv(247, 64%, 60%)
CMYK	cmyk(56.5%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(30.05, 33.63, -52.55)
CIE-LCH	lch(30.05, 62.39, 302.61°)
OKLab	oklab(41.11% 0.034 -0.1509)
OKLCH	oklch(41.11% 0.155 282.7)
XYZ	xyz(9.5119, 6.2582, 31.2723)
Luminance	0.0626 (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

#43379A #8E9A37

analogous

#375C9A #43379A #74379A

triadic

#43379A #9A4337 #379A43

tetradic

#43379A #9A375C #8E9A37 #379A74

square

#43379A #9A375C #8E9A37 #379A74

split-complementary

#43379A #9A7437 #5C9A37

monochromatic

#1C1740 #2F276D #43379A #5C4EC0 #867BD0

Accessibility & contrast

On white

9.33

#43379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#43379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43379A

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43379A	#FFFFFF	#000000	##FFFFFF
##43379A	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#004398

Tritanopia (blue-blind)

#194F63

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #43379a;
/* rgb */ color: rgb(67, 55, 154);
/* oklch */ color: oklch(41.1% 0.155 282.7);

Tailwind

colors: {
  custom: {
    50: '#806eb9',
    500: '#43379a',
    950: '#000000',
  },
}

SCSS

$custom: #43379a;
$custom-light: #806eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#43379a",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 247.273,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41113,
    "c": 0.15473,
    "h": 282.7
  },
  "luminance": 0.06259
}

Semantic roles & 50–950 ramp

primary

#43379A

secondary

#B1B974

accent

#D751C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #43379A

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

Preview Lab → · Contrast checker → · Palette generator →