#423F4E#423F4E

#423F4E is a dark, muted violet. Relative luminance 0.053; OKLCH L 37.7% C 0.026 H 294.3°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#423F4E
RGB	rgb(66, 63, 78)
HSL	hsl(252, 11%, 28%)
HSV	hsv(252, 19%, 31%)
CMYK	cmyk(15.4%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(27.47, 4.83, -8.60)
CIE-LCH	lch(27.47, 9.86, 299.30°)
OKLab	oklab(37.66% 0.0105 -0.0233)
OKLCH	oklch(37.66% 0.026 294.3)
XYZ	xyz(5.3991, 5.2633, 7.9377)
Luminance	0.0526 (WCAG relative)
Temperature	neutral
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423F4E #4B4E3F

analogous

#3F434E #423F4E #493F4E

triadic

#423F4E #4E423F #3F4E42

tetradic

#423F4E #4E3F43 #4B4E3F #3F4E49

square

#423F4E #4E3F43 #4B4E3F #3F4E49

split-complementary

#423F4E #4E493F #434E3F

monochromatic

#0E0E11 #25242C #423F4E #5F5A70 #7C7791

Accessibility & contrast

On white

10.23

#423F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#423F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423F4E

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423F4E	#FFFFFF	#000000	##FFFFFF
##423F4E	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414F

Deuteranopia (green-blind)

#3C414E

Tritanopia (blue-blind)

#404144

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #423f4e;
/* rgb */ color: rgb(66, 63, 78);
/* oklch */ color: oklch(37.7% 0.026 294.3);

Tailwind

colors: {
  custom: {
    50: '#76747f',
    500: '#423f4e',
    950: '#000000',
  },
}

SCSS

$custom: #423f4e;
$custom-light: #76747f;
$custom-dark: #000000;

JSON

{
  "hex": "#423f4e",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 252,
    "s": 10.638,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37657,
    "c": 0.02561,
    "h": 294.3
  },
  "luminance": 0.05263
}

Semantic roles & 50–950 ramp

primary

#423F4E

secondary

#7A7D6C

accent

#B474A7

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #423F4E

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

Preview Lab → · Contrast checker → · Palette generator →