#000A2B#000A2B

#000A2B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.1% C 0.070 H 261.2°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#000A2B
RGB	rgb(0, 10, 43)
HSL	hsl(226, 100%, 8%)
HSV	hsv(226, 100%, 17%)
CMYK	cmyk(100%, 76.7%, 0%, 83.1%)
CIE-LAB	lab(3.54, 7.06, -21.86)
CIE-LCH	lch(3.54, 22.97, 287.90°)
OKLab	oklab(16.15% -0.0108 -0.0696)
OKLCH	oklch(16.15% 0.07 261.2)
XYZ	xyz(0.5444, 0.3914, 2.3319)
Luminance	0.0039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000A2B #2B2100

analogous

#001F2B #000A2B #0B002B

triadic

#000A2B #2B000A #0A2B00

tetradic

#000A2B #2B001F #2B2100 #002B0B

square

#000A2B #2B001F #2B2100 #002B0B

split-complementary

#000A2B #2B0B00 #1F2B00

monochromatic

#00071F #00071F #000A2B #001868 #0026A5

Accessibility & contrast

On white

19.47

#000A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#000A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000A2B

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000A2B	#FFFFFF	#000000	##FFFFFF
##000A2B	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)

#000F2C

Deuteranopia (green-blind)

#000A2A

Tritanopia (blue-blind)

#001319

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #000a2b;
/* rgb */ color: rgb(0, 10, 43);
/* oklch */ color: oklch(16.1% 0.070 261.2);

Tailwind

colors: {
  custom: {
    50: '#474b64',
    500: '#000a2b',
    950: '#000000',
  },
}

SCSS

$custom: #000a2b;
$custom-light: #474b64;
$custom-dark: #000000;

JSON

{
  "hex": "#000a2b",
  "rgb": {
    "r": 0,
    "g": 10,
    "b": 43
  },
  "hsl": {
    "h": 226.047,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.16145,
    "c": 0.07049,
    "h": 261.2
  },
  "luminance": 0.00392
}

Semantic roles & 50–950 ramp

primary

#000A2B

secondary

#735D14

accent

#CD29FF

background

#F4F4F6

surface

#E6E7EB

border

#C2C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #000A2B

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

Preview Lab → · Contrast checker → · Palette generator →