#42409F#42409F

#42409F is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.150 H 279.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#42409F
RGB	rgb(66, 64, 159)
HSL	hsl(241, 43%, 44%)
HSV	hsv(241, 60%, 62%)
CMYK	cmyk(58.5%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(32.54, 29.43, -51.55)
CIE-LCH	lch(32.54, 59.36, 299.72°)
OKLab	oklab(43.04% 0.0234 -0.148)
OKLCH	oklch(43.04% 0.15 279)
XYZ	xyz(10.3362, 7.3275, 33.6639)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.51

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42409F #9D9F40

analogous

#406D9F #42409F #71409F

triadic

#42409F #9F4240 #409F42

tetradic

#42409F #9F406D #9D9F40 #409F71

square

#42409F #9F406D #9D9F40 #409F71

split-complementary

#42409F #9F7140 #6D9F40

monochromatic

#1E1D48 #302E73 #42409F #605EBE #8B8AD0

Accessibility & contrast

On white

8.52

#42409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#42409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42409F

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42409F	#FFFFFF	#000000	##FFFFFF
##42409F	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)

#0050A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#085769

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42409f;
/* rgb */ color: rgb(66, 64, 159);
/* oklch */ color: oklch(43.0% 0.150 279.0);

Tailwind

colors: {
  custom: {
    50: '#7f75bc',
    500: '#42409f',
    950: '#000000',
  },
}

SCSS

$custom: #42409f;
$custom-light: #7f75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#42409f",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 241.263,
    "s": 42.601,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43041,
    "c": 0.14982,
    "h": 279
  },
  "luminance": 0.07328
}

Semantic roles & 50–950 ramp

primary

#42409F

secondary

#B9BB80

accent

#D255D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42409F

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

Preview Lab → · Contrast checker → · Palette generator →