#424151#424151

#424151 is a dark, muted blue. Relative luminance 0.055; OKLCH L 38.3% C 0.027 H 287.9°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#424151
RGB	rgb(66, 65, 81)
HSL	hsl(244, 11%, 29%)
HSV	hsv(244, 20%, 32%)
CMYK	cmyk(18.5%, 19.8%, 0%, 68.2%)
CIE-LAB	lab(28.20, 4.29, -9.45)
CIE-LCH	lch(28.20, 10.38, 294.40°)
OKLab	oklab(38.27% 0.0083 -0.0257)
OKLCH	oklch(38.27% 0.027 287.9)
XYZ	xyz(5.6219, 5.5329, 8.5547)
Luminance	0.0553 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424151 #505141

analogous

#414851 #424151 #4A4151

triadic

#424151 #514241 #415142

tetradic

#424151 #514148 #505141 #41514A

square

#424151 #514148 #505141 #41514A

split-complementary

#424151 #514A41 #485141

monochromatic

#0E0E11 #26262F #424151 #5E5C73 #7B7993

Accessibility & contrast

On white

9.97

#424151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#424151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424151

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424151	#FFFFFF	#000000	##FFFFFF
##424151	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4352

Deuteranopia (green-blind)

#3D4251

Tritanopia (blue-blind)

#3F4446

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #424151;
/* rgb */ color: rgb(66, 65, 81);
/* oklch */ color: oklch(38.3% 0.027 287.9);

Tailwind

colors: {
  custom: {
    50: '#767581',
    500: '#424151',
    950: '#000000',
  },
}

SCSS

$custom: #424151;
$custom-light: #767581;
$custom-dark: #000000;

JSON

{
  "hex": "#424151",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 243.75,
    "s": 10.959,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38265,
    "c": 0.02703,
    "h": 287.9
  },
  "luminance": 0.05533
}

Semantic roles & 50–950 ramp

primary

#424151

secondary

#7F806E

accent

#B474B0

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #424151

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

Preview Lab → · Contrast checker → · Palette generator →