#42419D#42419D

#42419D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.146 H 278.8°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#42419D
RGB	rgb(66, 65, 157)
HSL	hsl(241, 41%, 44%)
HSV	hsv(241, 59%, 62%)
CMYK	cmyk(58%, 58.6%, 0%, 38.4%)
CIE-LAB	lab(32.64, 28.11, -50.18)
CIE-LCH	lch(32.64, 57.51, 299.26°)
OKLab	oklab(43.07% 0.0224 -0.1439)
OKLCH	oklch(43.07% 0.146 278.8)
XYZ	xyz(10.2209, 7.3725, 32.7762)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42419D #9C9D41

analogous

#416E9D #42419D #70419D

triadic

#42419D #9D4241 #419D42

tetradic

#42419D #9D416E #9C9D41 #419D70

square

#42419D #9D416E #9C9D41 #419D70

split-complementary

#42419D #9D7041 #6E9D41

monochromatic

#1E1D46 #302F72 #42419D #605FBD #8B8ACF

Accessibility & contrast

On white

8.49

#42419D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#42419D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42419D

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42419D	#FFFFFF	#000000	##FFFFFF
##42419D	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00499B

Tritanopia (blue-blind)

#0D5768

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42419d;
/* rgb */ color: rgb(66, 65, 157);
/* oklch */ color: oklch(43.1% 0.146 278.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42419d",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 157
  },
  "hsl": {
    "h": 240.652,
    "s": 41.441,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.14567,
    "h": 278.8
  },
  "luminance": 0.07373
}

Semantic roles & 50–950 ramp

primary

#42419D

secondary

#B9B980

accent

#D157D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42419D

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

Preview Lab → · Contrast checker → · Palette generator →