#42405A#42405A

#42405A is a dark, muted blue. Relative luminance 0.056; OKLCH L 38.5% C 0.044 H 287.7°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#42405A
RGB	rgb(66, 64, 90)
HSL	hsl(245, 17%, 30%)
HSV	hsv(245, 29%, 35%)
CMYK	cmyk(26.7%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(28.28, 7.38, -15.17)
CIE-LCH	lch(28.28, 16.87, 295.95°)
OKLab	oklab(38.45% 0.0133 -0.0418)
OKLCH	oklch(38.45% 0.044 287.7)
XYZ	xyz(5.9252, 5.5631, 10.4325)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42405A #585A40

analogous

#404B5A #42405A #4F405A

triadic

#42405A #5A4240 #405A42

tetradic

#42405A #5A404B #585A40 #405A4F

square

#42405A #5A404B #585A40 #405A4F

split-complementary

#42405A #5A4F40 #4B5A40

monochromatic

#0E0D12 #282736 #42405A #5C597E #7A769E

Accessibility & contrast

On white

9.94

#42405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#42405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42405A

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42405A	#FFFFFF	#000000	##FFFFFF
##42405A	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39435B

Deuteranopia (green-blind)

#394259

Tritanopia (blue-blind)

#3D4449

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #42405a;
/* rgb */ color: rgb(66, 64, 90);
/* oklch */ color: oklch(38.5% 0.044 287.7);

Tailwind

colors: {
  custom: {
    50: '#777488',
    500: '#42405a',
    950: '#000000',
  },
}

SCSS

$custom: #42405a;
$custom-light: #777488;
$custom-dark: #000000;

JSON

{
  "hex": "#42405a",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 244.615,
    "s": 16.883,
    "l": 30.196
  },
  "oklch": {
    "l": 0.38454,
    "c": 0.0439,
    "h": 287.7
  },
  "luminance": 0.05563
}

Semantic roles & 50–950 ramp

primary

#42405A

secondary

#87896C

accent

#BA6EB4

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #42405A

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

Preview Lab → · Contrast checker → · Palette generator →