#43409E#43409E

#43409E is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.148 H 279.6°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#43409E
RGB	rgb(67, 64, 158)
HSL	hsl(242, 42%, 44%)
HSV	hsv(242, 59%, 62%)
CMYK	cmyk(57.6%, 59.5%, 0%, 38%)
CIE-LAB	lab(32.54, 29.28, -50.94)
CIE-LCH	lch(32.54, 58.75, 299.89°)
OKLab	oklab(43.04% 0.0247 -0.1461)
OKLCH	oklch(43.04% 0.148 279.6)
XYZ	xyz(10.3177, 7.3280, 33.2119)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43409E #9B9E40

analogous

#406C9E #43409E #72409E

triadic

#43409E #9E4340 #409E43

tetradic

#43409E #9E406C #9B9E40 #409E72

square

#43409E #9E406C #9B9E40 #409E72

split-complementary

#43409E #9E7240 #6C9E40

monochromatic

#1E1D47 #312E72 #43409E #615EBE #8B89CF

Accessibility & contrast

On white

8.52

#43409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#43409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43409E

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43409E	#FFFFFF	#000000	##FFFFFF
##43409E	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#115668

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #43409e;
/* rgb */ color: rgb(67, 64, 158);
/* oklch */ color: oklch(43.0% 0.148 279.6);

Tailwind

colors: {
  custom: {
    50: '#8075bb',
    500: '#43409e',
    950: '#000000',
  },
}

SCSS

$custom: #43409e;
$custom-light: #8075bb;
$custom-dark: #000000;

JSON

{
  "hex": "#43409e",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 241.915,
    "s": 42.342,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43038,
    "c": 0.14822,
    "h": 279.6
  },
  "luminance": 0.07329
}

Semantic roles & 50–950 ramp

primary

#43409E

secondary

#B8BA80

accent

#D256CE

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #43409E

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

Preview Lab → · Contrast checker → · Palette generator →