#42419F#42419F

#42419F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.148 H 278.7°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#42419F
RGB	rgb(66, 65, 159)
HSL	hsl(241, 42%, 44%)
HSV	hsv(241, 59%, 62%)
CMYK	cmyk(58.5%, 59.1%, 0%, 37.6%)
CIE-LAB	lab(32.79, 28.79, -51.14)
CIE-LCH	lch(32.79, 58.69, 299.38°)
OKLab	oklab(43.23% 0.0224 -0.1468)
OKLCH	oklch(43.23% 0.148 278.7)
XYZ	xyz(10.3931, 7.4413, 33.6828)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42419F #9E9F41

analogous

#416F9F #42419F #71419F

triadic

#42419F #9F4241 #419F42

tetradic

#42419F #9F416F #9E9F41 #419F71

square

#42419F #9F416F #9E9F41 #419F71

split-complementary

#42419F #9F7141 #6F9F41

monochromatic

#1E1D48 #302F74 #42419F #605FBE #8C8BD0

Accessibility & contrast

On white

8.44

#42419F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#42419F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42419F

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42419F	#FFFFFF	#000000	##FFFFFF
##42419F	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#085769

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42419f;
/* rgb */ color: rgb(66, 65, 159);
/* oklch */ color: oklch(43.2% 0.148 278.7);

Tailwind

colors: {
  custom: {
    50: '#7f75bc',
    500: '#42419f',
    950: '#000000',
  },
}

SCSS

$custom: #42419f;
$custom-light: #7f75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#42419f",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 159
  },
  "hsl": {
    "h": 240.638,
    "s": 41.964,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43226,
    "c": 0.14847,
    "h": 278.7
  },
  "luminance": 0.07442
}

Semantic roles & 50–950 ramp

primary

#42419F

secondary

#BABA81

accent

#D256D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42419F

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

Preview Lab → · Contrast checker → · Palette generator →