#000B28#000B28

#000B28 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.1% C 0.064 H 259.5°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#000B28
RGB	rgb(0, 11, 40)
HSL	hsl(224, 100%, 8%)
HSV	hsv(224, 100%, 16%)
CMYK	cmyk(100%, 72.5%, 0%, 84.3%)
CIE-LAB	lab(3.55, 5.30, -19.56)
CIE-LCH	lch(3.55, 20.27, 285.17°)
OKLab	oklab(16.06% -0.0116 -0.0629)
OKLCH	oklch(16.06% 0.064 259.5)
XYZ	xyz(0.5025, 0.3925, 2.0563)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000B28 #281D00

analogous

#001F28 #000B28 #090028

triadic

#000B28 #28000B #0B2800

tetradic

#000B28 #28001F #281D00 #002809

square

#000B28 #28001F #281D00 #002809

split-complementary

#000B28 #280900 #1F2800

monochromatic

#00081F #00081F #000B28 #001C65 #002DA2

Accessibility & contrast

On white

19.47

#000B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#000B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000B28

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000B28	#FFFFFF	#000000	##FFFFFF
##000B28	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F29

Deuteranopia (green-blind)

#000B27

Tritanopia (blue-blind)

#001217

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #000b28;
/* rgb */ color: rgb(0, 11, 40);
/* oklch */ color: oklch(16.1% 0.064 259.5);

Tailwind

colors: {
  custom: {
    50: '#474b62',
    500: '#000b28',
    950: '#000000',
  },
}

SCSS

$custom: #000b28;
$custom-light: #474b62;
$custom-dark: #000000;

JSON

{
  "hex": "#000b28",
  "rgb": {
    "r": 0,
    "g": 11,
    "b": 40
  },
  "hsl": {
    "h": 223.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16055,
    "c": 0.06393,
    "h": 259.5
  },
  "luminance": 0.00393
}

Semantic roles & 50–950 ramp

primary

#000B28

secondary

#705714

accent

#C429FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #000B28

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

Preview Lab → · Contrast checker → · Palette generator →