#42419E#42419E

#42419E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.147 H 278.8°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#42419E
RGB	rgb(66, 65, 158)
HSL	hsl(241, 42%, 44%)
HSV	hsv(241, 59%, 62%)
CMYK	cmyk(58.2%, 58.9%, 0%, 38%)
CIE-LAB	lab(32.72, 28.45, -50.66)
CIE-LCH	lch(32.72, 58.10, 299.32°)
OKLab	oklab(43.15% 0.0224 -0.1454)
OKLCH	oklch(43.15% 0.147 278.8)
XYZ	xyz(10.3067, 7.4068, 33.2277)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42419E #9D9E41

analogous

#416E9E #42419E #70419E

triadic

#42419E #9E4241 #419E42

tetradic

#42419E #9E416E #9D9E41 #419E70

square

#42419E #9E416E #9D9E41 #419E70

split-complementary

#42419E #9E7041 #6E9E41

monochromatic

#1E1D47 #302F73 #42419E #605FBD #8B8ACF

Accessibility & contrast

On white

8.46

#42419E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#42419E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42419E

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42419E	#FFFFFF	#000000	##FFFFFF
##42419E	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#0B5769

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42419e;
/* rgb */ color: rgb(66, 65, 158);
/* oklch */ color: oklch(43.1% 0.147 278.8);

Tailwind

colors: {
  custom: {
    50: '#7f75bb',
    500: '#42419e',
    950: '#000000',
  },
}

SCSS

$custom: #42419e;
$custom-light: #7f75bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42419e",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 158
  },
  "hsl": {
    "h": 240.645,
    "s": 41.704,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43146,
    "c": 0.14707,
    "h": 278.8
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#42419E

secondary

#B9BA81

accent

#D256D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42419E

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

Preview Lab → · Contrast checker → · Palette generator →