#42445C#42445C

#42445C is a dark, muted blue. Relative luminance 0.061; OKLCH L 39.5% C 0.041 H 280.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#42445C
RGB	rgb(66, 68, 92)
HSL	hsl(235, 16%, 31%)
HSV	hsv(235, 28%, 36%)
CMYK	cmyk(28.3%, 26.1%, 0%, 63.9%)
CIE-LAB	lab(29.58, 5.31, -14.47)
CIE-LCH	lch(29.58, 15.41, 290.16°)
OKLab	oklab(39.49% 0.0075 -0.0399)
OKLCH	oklch(39.49% 0.041 280.7)
XYZ	xyz(6.2452, 6.0651, 10.9648)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42445C #5C5A42

analogous

#42515C #42445C #4D425C

triadic

#42445C #5C4244 #445C42

tetradic

#42445C #5C4251 #5C5A42 #425C4D

square

#42445C #5C4251 #5C5A42 #425C4D

split-complementary

#42445C #5C4D42 #515C42

monochromatic

#0F0F15 #282A38 #42445C #5C5E80 #797C9F

Accessibility & contrast

On white

9.49

#42445C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#42445C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42445C

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42445C	#FFFFFF	#000000	##FFFFFF
##42445C	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D475D

Deuteranopia (green-blind)

#3C455B

Tritanopia (blue-blind)

#3C484C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #42445c;
/* rgb */ color: rgb(66, 68, 92);
/* oklch */ color: oklch(39.5% 0.041 280.7);

Tailwind

colors: {
  custom: {
    50: '#77778a',
    500: '#42445c',
    950: '#000000',
  },
}

SCSS

$custom: #42445c;
$custom-light: #77778a;
$custom-dark: #000000;

JSON

{
  "hex": "#42445c",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 92
  },
  "hsl": {
    "h": 235.385,
    "s": 16.456,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39486,
    "c": 0.04056,
    "h": 280.7
  },
  "luminance": 0.06065
}

Semantic roles & 50–950 ramp

primary

#42445C

secondary

#8B896F

accent

#B36FB9

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #42445C

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

Preview Lab → · Contrast checker → · Palette generator →