#0B0B2D#0B0B2D

#0B0B2D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.067 H 277.1°. Best body text is #FFFFFF at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B2D
RGB	rgb(11, 11, 45)
HSL	hsl(240, 61%, 11%)
HSV	hsv(240, 76%, 18%)
CMYK	cmyk(75.6%, 75.6%, 0%, 82.4%)
CIE-LAB	lab(4.52, 10.49, -21.78)
CIE-LCH	lch(4.52, 24.17, 295.72°)
OKLab	oklab(17.64% 0.0083 -0.0661)
OKLCH	oklch(17.64% 0.067 277.1)
XYZ	xyz(0.7312, 0.4999, 2.5401)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B2D #2D2D0B

analogous

#0B1C2D #0B0B2D #1C0B2D

triadic

#0B0B2D #2D0B0B #0B2D0B

tetradic

#0B0B2D #2D0B1C #2D2D0B #0B2D1C

square

#0B0B2D #2D0B1C #2D2D0B #0B2D1C

split-complementary

#0B0B2D #2D1C0B #1C2D0B

monochromatic

#060619 #060619 #0B0B2D #17175E #23238F

Accessibility & contrast

On white

19.09

#0B0B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0B0B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B2D

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B2D	#FFFFFF	#000000	##FFFFFF
##0B0B2D	1.00	19.09	1.10	19.09
#FFFFFF	19.09	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112E

Deuteranopia (green-blind)

#000E2C

Tritanopia (blue-blind)

#00131A

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0b0b2d;
/* rgb */ color: rgb(11, 11, 45);
/* oklch */ color: oklch(17.6% 0.067 277.1);

Tailwind

colors: {
  custom: {
    50: '#4d4b66',
    500: '#0b0b2d',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b2d;
$custom-light: #4d4b66;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b2d",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 45
  },
  "hsl": {
    "h": 240,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17638,
    "c": 0.06657,
    "h": 277.1
  },
  "luminance": 0.005
}

Semantic roles & 50–950 ramp

primary

#0B0B2D

secondary

#69692A

accent

#E444E4

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0B2D

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

Preview Lab → · Contrast checker → · Palette generator →