#423E5F#423E5F

#423E5F is a dark, muted blue. Relative luminance 0.054; OKLCH L 38.3% C 0.056 H 289.0°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#423E5F
RGB	rgb(66, 62, 95)
HSL	hsl(247, 21%, 31%)
HSV	hsv(247, 35%, 37%)
CMYK	cmyk(30.5%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(27.93, 10.13, -18.95)
CIE-LCH	lch(27.93, 21.49, 298.13°)
OKLab	oklab(38.26% 0.0182 -0.0526)
OKLCH	oklch(38.26% 0.056 289)
XYZ	xyz(6.0344, 5.4296, 11.5543)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423E5F #5B5F3E

analogous

#3E4A5F #423E5F #523E5F

triadic

#423E5F #5F423E #3E5F42

tetradic

#423E5F #5F3E4A #5B5F3E #3E5F52

square

#423E5F #5F3E4A #5B5F3E #3E5F52

split-complementary

#423E5F #5F523E #4A5F3E

monochromatic

#0F0E15 #28263A #423E5F #5C5684 #7973A4

Accessibility & contrast

On white

10.07

#423E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#423E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423E5F

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423E5F	#FFFFFF	#000000	##FFFFFF
##423E5F	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354360

Deuteranopia (green-blind)

#35415E

Tritanopia (blue-blind)

#3B444A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #423e5f;
/* rgb */ color: rgb(66, 62, 95);
/* oklch */ color: oklch(38.3% 0.056 289.0);

Tailwind

colors: {
  custom: {
    50: '#77738c',
    500: '#423e5f',
    950: '#000000',
  },
}

SCSS

$custom: #423e5f;
$custom-light: #77738c;
$custom-dark: #000000;

JSON

{
  "hex": "#423e5f",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 247.273,
    "s": 21.019,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38256,
    "c": 0.05568,
    "h": 289
  },
  "luminance": 0.0543
}

Semantic roles & 50–950 ramp

primary

#423E5F

secondary

#8A8F6A

accent

#BE6AB3

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#09080C

muted

#7B7B7D

Preview Lab

Preview with #423E5F

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

Preview Lab → · Contrast checker → · Palette generator →