#0B0B2F#0B0B2F

#0B0B2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.070 H 276.7°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B2F
RGB	rgb(11, 11, 47)
HSL	hsl(240, 62%, 11%)
HSV	hsv(240, 77%, 18%)
CMYK	cmyk(76.6%, 76.6%, 0%, 81.6%)
CIE-LAB	lab(4.66, 11.49, -23.05)
CIE-LCH	lch(4.66, 25.75, 296.50°)
OKLab	oklab(17.85% 0.0081 -0.0695)
OKLCH	oklch(17.85% 0.07 276.7)
XYZ	xyz(0.7706, 0.5157, 2.7477)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B2F #2F2F0B

analogous

#0B1D2F #0B0B2F #1D0B2F

triadic

#0B0B2F #2F0B0B #0B2F0B

tetradic

#0B0B2F #2F0B1D #2F2F0B #0B2F1D

square

#0B0B2F #2F0B1D #2F2F0B #0B2F1D

split-complementary

#0B0B2F #2F1D0B #1D2F0B

monochromatic

#060619 #060619 #0B0B2F #171761 #222292

Accessibility & contrast

On white

19.04

#0B0B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B2F

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B2F	#FFFFFF	#000000	##FFFFFF
##0B0B2F	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001230

Deuteranopia (green-blind)

#000E2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b0b2f;
/* rgb */ color: rgb(11, 11, 47);
/* oklch */ color: oklch(17.9% 0.070 276.7);

Tailwind

colors: {
  custom: {
    50: '#4e4b68',
    500: '#0b0b2f',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b2f;
$custom-light: #4e4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b2f",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 47
  },
  "hsl": {
    "h": 240,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17853,
    "c": 0.06993,
    "h": 276.7
  },
  "luminance": 0.00516
}

Semantic roles & 50–950 ramp

primary

#0B0B2F

secondary

#6B6B2A

accent

#E543E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0B2F

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

Preview Lab → · Contrast checker → · Palette generator →