#000B2B#000B2B

#000B2B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.4% C 0.069 H 260.5°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#000B2B
RGB	rgb(0, 11, 43)
HSL	hsl(225, 100%, 8%)
HSV	hsv(225, 100%, 17%)
CMYK	cmyk(100%, 74.4%, 0%, 83.1%)
CIE-LAB	lab(3.74, 6.65, -21.54)
CIE-LCH	lch(3.74, 22.54, 287.16°)
OKLab	oklab(16.4% -0.0113 -0.068)
OKLCH	oklch(16.4% 0.069 260.5)
XYZ	xyz(0.5556, 0.4137, 2.3356)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000B2B #2B2000

analogous

#00202B #000B2B #0A002B

triadic

#000B2B #2B000B #0B2B00

tetradic

#000B2B #2B0020 #2B2000 #002B0A

square

#000B2B #2B0020 #2B2000 #002B0A

split-complementary

#000B2B #2B0A00 #202B00

monochromatic

#00081F #00081F #000B2B #001B68 #002AA5

Accessibility & contrast

On white

19.39

#000B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#000B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000B2B

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000B2B	#FFFFFF	#000000	##FFFFFF
##000B2B	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102C

Deuteranopia (green-blind)

#000B2A

Tritanopia (blue-blind)

#001319

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #000b2b;
/* rgb */ color: rgb(0, 11, 43);
/* oklch */ color: oklch(16.4% 0.069 260.5);

Tailwind

colors: {
  custom: {
    50: '#474b64',
    500: '#000b2b',
    950: '#000000',
  },
}

SCSS

$custom: #000b2b;
$custom-light: #474b64;
$custom-dark: #000000;

JSON

{
  "hex": "#000b2b",
  "rgb": {
    "r": 0,
    "g": 11,
    "b": 43
  },
  "hsl": {
    "h": 224.651,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.16399,
    "c": 0.06894,
    "h": 260.5
  },
  "luminance": 0.00414
}

Semantic roles & 50–950 ramp

primary

#000B2B

secondary

#735A14

accent

#C829FF

background

#F4F4F6

surface

#E6E7EB

border

#C2C3C6

text

#000105

muted

#77777A

Preview Lab

Preview with #000B2B

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

Preview Lab → · Contrast checker → · Palette generator →