#000511#000511

#000511 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.5% C 0.035 H 252.4°. Best body text is #FFFFFF at 20.39:1 contrast (WCAG AA passes).

Color values

HEX	#000511
RGB	rgb(0, 5, 17)
HSL	hsl(222, 100%, 3%)
HSV	hsv(222, 100%, 7%)
CMYK	cmyk(100%, 70.6%, 0%, 93.3%)
CIE-LAB	lab(1.35, 0.56, -5.56)
CIE-LCH	lch(1.35, 5.59, 275.80°)
OKLab	oklab(11.46% -0.0105 -0.033)
OKLCH	oklch(11.46% 0.035 252.4)
XYZ	xyz(0.1554, 0.1490, 0.5508)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000511 #110C00

analogous

#000D11 #000511 #030011

triadic

#000511 #110005 #051100

tetradic

#000511 #11000D #110C00 #001103

square

#000511 #11000D #110C00 #001103

split-complementary

#000511 #110300 #0D1100

monochromatic

#00091F #00091F #00091F #00174E #00298B

Accessibility & contrast

On white

20.39

#000511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#000511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000511

20.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000511	#FFFFFF	#000000	##FFFFFF
##000511	1.00	20.39	1.03	20.39
#FFFFFF	20.39	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010611

Deuteranopia (green-blind)

#000411

Tritanopia (blue-blind)

#000709

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #000511;
/* rgb */ color: rgb(0, 5, 17);
/* oklch */ color: oklch(11.5% 0.035 252.4);

Tailwind

colors: {
  custom: {
    50: '#46494f',
    500: '#000511',
    950: '#000000',
  },
}

SCSS

$custom: #000511;
$custom-light: #46494f;
$custom-dark: #000000;

JSON

{
  "hex": "#000511",
  "rgb": {
    "r": 0,
    "g": 5,
    "b": 17
  },
  "hsl": {
    "h": 222.353,
    "s": 100,
    "l": 3.333
  },
  "oklch": {
    "l": 0.11459,
    "c": 0.03466,
    "h": 252.4
  },
  "luminance": 0.00149
}

Semantic roles & 50–950 ramp

primary

#000511

secondary

#5C4610

accent

#C029FF

background

#F3F4F4

surface

#E5E6E7

border

#C1C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #000511

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

Preview Lab → · Contrast checker → · Palette generator →