#423D5F#423D5F

#423D5F is a dark, muted blue. Relative luminance 0.053; OKLCH L 38.0% C 0.057 H 290.1°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#423D5F
RGB	rgb(66, 61, 95)
HSL	hsl(249, 22%, 31%)
HSV	hsv(249, 36%, 37%)
CMYK	cmyk(30.5%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(27.63, 10.80, -19.41)
CIE-LCH	lch(27.63, 22.21, 299.09°)
OKLab	oklab(38.03% 0.0198 -0.0539)
OKLCH	oklch(38.03% 0.057 290.1)
XYZ	xyz(5.9805, 5.3218, 11.5364)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423D5F #5A5F3D

analogous

#3D495F #423D5F #533D5F

triadic

#423D5F #5F423D #3D5F42

tetradic

#423D5F #5F3D49 #5A5F3D #3D5F53

square

#423D5F #5F3D49 #5A5F3D #3D5F53

split-complementary

#423D5F #5F533D #495F3D

monochromatic

#0E0D14 #28253A #423D5F #5C5584 #7972A4

Accessibility & contrast

On white

10.17

#423D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#423D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423D5F

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423D5F	#FFFFFF	#000000	##FFFFFF
##423D5F	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344260

Deuteranopia (green-blind)

#34415E

Tritanopia (blue-blind)

#3B4349

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #423d5f;
/* rgb */ color: rgb(66, 61, 95);
/* oklch */ color: oklch(38.0% 0.057 290.1);

Tailwind

colors: {
  custom: {
    50: '#77728c',
    500: '#423d5f',
    950: '#000000',
  },
}

SCSS

$custom: #423d5f;
$custom-light: #77728c;
$custom-dark: #000000;

JSON

{
  "hex": "#423d5f",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 248.824,
    "s": 21.795,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38031,
    "c": 0.05746,
    "h": 290.1
  },
  "luminance": 0.05322
}

Semantic roles & 50–950 ramp

primary

#423D5F

secondary

#898F69

accent

#BE69B2

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#09080C

muted

#7B7B7D

Preview Lab

Preview with #423D5F

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

Preview Lab → · Contrast checker → · Palette generator →