#43409C#43409C

#43409C is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.145 H 279.8°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#43409C
RGB	rgb(67, 64, 156)
HSL	hsl(242, 42%, 43%)
HSV	hsv(242, 59%, 61%)
CMYK	cmyk(57.1%, 59%, 0%, 38.8%)
CIE-LAB	lab(32.39, 28.61, -49.97)
CIE-LCH	lch(32.39, 57.58, 299.79°)
OKLab	oklab(42.88% 0.0247 -0.1433)
OKLCH	oklch(42.88% 0.145 279.8)
XYZ	xyz(10.1470, 7.2597, 32.3126)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43409C #999C40

analogous

#406B9C #43409C #71409C

triadic

#43409C #9C4340 #409C43

tetradic

#43409C #9C406B #999C40 #409C71

square

#43409C #9C406B #999C40 #409C71

split-complementary

#43409C #9C7140 #6B9C40

monochromatic

#1E1C45 #302E71 #43409C #605DBC #8A88CE

Accessibility & contrast

On white

8.56

#43409C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#43409C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43409C

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43409C	#FFFFFF	#000000	##FFFFFF
##43409C	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#145667

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #43409c;
/* rgb */ color: rgb(67, 64, 156);
/* oklch */ color: oklch(42.9% 0.145 279.8);

Tailwind

colors: {
  custom: {
    50: '#7f75ba',
    500: '#43409c',
    950: '#000000',
  },
}

SCSS

$custom: #43409c;
$custom-light: #7f75ba;
$custom-dark: #000000;

JSON

{
  "hex": "#43409c",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 156
  },
  "hsl": {
    "h": 241.957,
    "s": 41.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42878,
    "c": 0.14542,
    "h": 279.8
  },
  "luminance": 0.0726
}

Semantic roles & 50–950 ramp

primary

#43409C

secondary

#B7B97F

accent

#D256CE

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #43409C

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

Preview Lab → · Contrast checker → · Palette generator →