#404751#404751

#404751 is a dark, near-neutral blue. Relative luminance 0.062; OKLCH L 39.5% C 0.019 H 257.3°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#404751
RGB	rgb(64, 71, 81)
HSL	hsl(215, 12%, 28%)
HSV	hsv(215, 21%, 32%)
CMYK	cmyk(21%, 12.3%, 0%, 68.2%)
CIE-LAB	lab(29.89, -0.35, -6.92)
CIE-LCH	lch(29.89, 6.93, 267.09°)
OKLab	oklab(39.54% -0.0042 -0.0188)
OKLCH	oklch(39.54% 0.019 257.3)
XYZ	xyz(5.8524, 6.1904, 8.6695)
Luminance	0.0619 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404751 #514A40

analogous

#404F51 #404751 #414051

triadic

#404751 #514047 #475140

tetradic

#404751 #51404F #514A40 #405141

square

#404751 #51404F #514A40 #405141

split-complementary

#404751 #514140 #4F5140

monochromatic

#0E0F11 #25292F #404751 #5B6573 #778394

Accessibility & contrast

On white

9.38

#404751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#404751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404751

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404751	#FFFFFF	#000000	##FFFFFF
##404751	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444752

Deuteranopia (green-blind)

#424651

Tritanopia (blue-blind)

#3C494A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #404751;
/* rgb */ color: rgb(64, 71, 81);
/* oklch */ color: oklch(39.5% 0.019 257.3);

Tailwind

colors: {
  custom: {
    50: '#757a81',
    500: '#404751',
    950: '#000000',
  },
}

SCSS

$custom: #404751;
$custom-light: #757a81;
$custom-dark: #000000;

JSON

{
  "hex": "#404751",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 81
  },
  "hsl": {
    "h": 215.294,
    "s": 11.724,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3954,
    "c": 0.01927,
    "h": 257.3
  },
  "luminance": 0.06191
}

Semantic roles & 50–950 ramp

primary

#404751

secondary

#80786D

accent

#9A73B5

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08090A

muted

#7B7B7C

Preview Lab

Preview with #404751

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

Preview Lab → · Contrast checker → · Palette generator →