#42419A#42419A

#42419A is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.141 H 279.1°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#42419A
RGB	rgb(66, 65, 154)
HSL	hsl(241, 41%, 43%)
HSV	hsv(241, 58%, 60%)
CMYK	cmyk(57.1%, 57.8%, 0%, 39.6%)
CIE-LAB	lab(32.42, 27.10, -48.72)
CIE-LCH	lch(32.42, 55.75, 299.08°)
OKLab	oklab(42.83% 0.0224 -0.1397)
OKLCH	oklch(42.83% 0.141 279.1)
XYZ	xyz(9.9680, 7.2713, 31.4438)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42419A #999A41

analogous

#416C9A #42419A #6E419A

triadic

#42419A #9A4241 #419A42

tetradic

#42419A #9A416C #999A41 #419A6E

square

#42419A #9A416C #999A41 #419A6E

split-complementary

#42419A #9A6E41 #6C9A41

monochromatic

#1D1D44 #302F6F #42419A #5E5DBB #8988CD

Accessibility & contrast

On white

8.56

#42419A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#42419A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42419A

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42419A	#FFFFFF	#000000	##FFFFFF
##42419A	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509D

Deuteranopia (green-blind)

#004998

Tritanopia (blue-blind)

#135667

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #42419a;
/* rgb */ color: rgb(66, 65, 154);
/* oklch */ color: oklch(42.8% 0.141 279.1);

Tailwind

colors: {
  custom: {
    50: '#7f75b8',
    500: '#42419a',
    950: '#000000',
  },
}

SCSS

$custom: #42419a;
$custom-light: #7f75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42419a",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 154
  },
  "hsl": {
    "h": 240.674,
    "s": 40.639,
    "l": 42.941
  },
  "oklch": {
    "l": 0.4283,
    "c": 0.14144,
    "h": 279.1
  },
  "luminance": 0.07272
}

Semantic roles & 50–950 ramp

primary

#42419A

secondary

#B7B87F

accent

#D057CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #42419A

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

Preview Lab → · Contrast checker → · Palette generator →