#000728#000728

#000728 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.0% C 0.071 H 262.3°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#000728
RGB	rgb(0, 7, 40)
HSL	hsl(230, 100%, 8%)
HSV	hsv(230, 100%, 16%)
CMYK	cmyk(100%, 82.5%, 0%, 84.3%)
CIE-LAB	lab(2.76, 6.92, -20.80)
CIE-LCH	lch(2.76, 21.92, 288.39°)
OKLab	oklab(14.95% -0.0095 -0.07)
OKLCH	oklch(14.95% 0.071 262.3)
XYZ	xyz(0.4588, 0.3051, 2.0418)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000728 #282100

analogous

#001B28 #000728 #0D0028

triadic

#000728 #280007 #072800

tetradic

#000728 #28001B #282100 #00280D

square

#000728 #28001B #282100 #00280D

split-complementary

#000728 #280D00 #1B2800

monochromatic

#00051F #00051F #000728 #001265 #001CA2

Accessibility & contrast

On white

19.79

#000728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#000728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000728

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000728	#FFFFFF	#000000	##FFFFFF
##000728	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C29

Deuteranopia (green-blind)

#000827

Tritanopia (blue-blind)

#001016

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #000728;
/* rgb */ color: rgb(0, 7, 40);
/* oklch */ color: oklch(15.0% 0.071 262.3);

Tailwind

colors: {
  custom: {
    50: '#474a62',
    500: '#000728',
    950: '#000000',
  },
}

SCSS

$custom: #000728;
$custom-light: #474a62;
$custom-dark: #000000;

JSON

{
  "hex": "#000728",
  "rgb": {
    "r": 0,
    "g": 7,
    "b": 40
  },
  "hsl": {
    "h": 229.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.14954,
    "c": 0.07066,
    "h": 262.3
  },
  "luminance": 0.00305
}

Semantic roles & 50–950 ramp

primary

#000728

secondary

#706014

accent

#DA29FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #000728

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

Preview Lab → · Contrast checker → · Palette generator →