#424751#424751

#424751 is a dark, near-neutral blue. Relative luminance 0.063; OKLCH L 39.7% C 0.018 H 264.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#424751
RGB	rgb(66, 71, 81)
HSL	hsl(220, 10%, 29%)
HSV	hsv(220, 19%, 32%)
CMYK	cmyk(18.5%, 12.3%, 0%, 68.2%)
CIE-LAB	lab(30.06, 0.40, -6.66)
CIE-LCH	lch(30.06, 6.67, 273.45°)
OKLab	oklab(39.71% -0.0018 -0.018)
OKLCH	oklch(39.71% 0.018 264.3)
XYZ	xyz(5.9849, 6.2587, 8.6757)
Luminance	0.0626 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424751 #514C42

analogous

#424F51 #424751 #454251

triadic

#424751 #514247 #475142

tetradic

#424751 #51424F #514C42 #425145

square

#424751 #51424F #514C42 #425145

split-complementary

#424751 #514542 #4F5142

monochromatic

#0E0F11 #27292F #424751 #5D6573 #7A8393

Accessibility & contrast

On white

9.33

#424751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#424751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424751

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424751	#FFFFFF	#000000	##FFFFFF
##424751	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444851

Deuteranopia (green-blind)

#434651

Tritanopia (blue-blind)

#3E494A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #424751;
/* rgb */ color: rgb(66, 71, 81);
/* oklch */ color: oklch(39.7% 0.018 264.3);

Tailwind

colors: {
  custom: {
    50: '#767a81',
    500: '#424751',
    950: '#000000',
  },
}

SCSS

$custom: #424751;
$custom-light: #767a81;
$custom-dark: #000000;

JSON

{
  "hex": "#424751",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 81
  },
  "hsl": {
    "h": 220,
    "s": 10.204,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39714,
    "c": 0.01812,
    "h": 264.3
  },
  "luminance": 0.06259
}

Semantic roles & 50–950 ramp

primary

#424751

secondary

#807A6F

accent

#9E75B3

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #424751

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

Preview Lab → · Contrast checker → · Palette generator →