#0B0D2F#0B0D2F

#0B0D2F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.3% C 0.067 H 275.1°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D2F
RGB	rgb(11, 13, 47)
HSL	hsl(237, 62%, 11%)
HSV	hsv(237, 77%, 18%)
CMYK	cmyk(76.6%, 72.3%, 0%, 81.6%)
CIE-LAB	lab(5.10, 10.60, -22.35)
CIE-LCH	lch(5.10, 24.73, 295.37°)
OKLab	oklab(18.3% 0.0059 -0.0665)
OKLCH	oklch(18.3% 0.067 275.1)
XYZ	xyz(0.7949, 0.5642, 2.7558)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.52

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D2F #2F2D0B

analogous

#0B1F2F #0B0D2F #1B0B2F

triadic

#0B0D2F #2F0B0D #0D2F0B

tetradic

#0B0D2F #2F0B1F #2F2D0B #0B2F1B

square

#0B0D2F #2F0B1F #2F2D0B #0B2F1B

split-complementary

#0B0D2F #2F1B0B #1F2F0B

monochromatic

#060719 #060719 #0B0D2F #171B61 #222892

Accessibility & contrast

On white

18.87

#0B0D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D2F

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D2F	#FFFFFF	#000000	##FFFFFF
##0B0D2F	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001330

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0d2f;
/* rgb */ color: rgb(11, 13, 47);
/* oklch */ color: oklch(18.3% 0.067 275.1);

Tailwind

colors: {
  custom: {
    50: '#4e4c68',
    500: '#0b0d2f',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d2f;
$custom-light: #4e4c68;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d2f",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 47
  },
  "hsl": {
    "h": 236.667,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.18302,
    "c": 0.06679,
    "h": 275.1
  },
  "luminance": 0.00564
}

Semantic roles & 50–950 ramp

primary

#0B0D2F

secondary

#6B682A

accent

#DC43E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0D2F

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

Preview Lab → · Contrast checker → · Palette generator →