#0B0D2D#0B0D2D

#0B0D2D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.1% C 0.063 H 275.4°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D2D
RGB	rgb(11, 13, 45)
HSL	hsl(236, 61%, 11%)
HSV	hsv(236, 76%, 18%)
CMYK	cmyk(75.6%, 71.1%, 0%, 82.4%)
CIE-LAB	lab(4.95, 9.59, -21.08)
CIE-LCH	lch(4.95, 23.16, 294.47°)
OKLab	oklab(18.1% 0.0059 -0.0631)
OKLCH	oklch(18.1% 0.063 275.4)
XYZ	xyz(0.7554, 0.5484, 2.5482)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D2D #2D2B0B

analogous

#0B1E2D #0B0D2D #1A0B2D

triadic

#0B0D2D #2D0B0D #0D2D0B

tetradic

#0B0D2D #2D0B1E #2D2B0B #0B2D1A

square

#0B0D2D #2D0B1E #2D2B0B #0B2D1A

split-complementary

#0B0D2D #2D1A0B #1E2D0B

monochromatic

#060719 #060719 #0B0D2D #171B5E #23298F

Accessibility & contrast

On white

18.93

#0B0D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D2D

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D2D	#FFFFFF	#000000	##FFFFFF
##0B0D2D	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122E

Deuteranopia (green-blind)

#000F2C

Tritanopia (blue-blind)

#00151B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0d2d;
/* rgb */ color: rgb(11, 13, 45);
/* oklch */ color: oklch(18.1% 0.063 275.4);

Tailwind

colors: {
  custom: {
    50: '#4d4c66',
    500: '#0b0d2d',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d2d;
$custom-light: #4d4c66;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d2d",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 45
  },
  "hsl": {
    "h": 236.471,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.18097,
    "c": 0.06334,
    "h": 275.4
  },
  "luminance": 0.00548
}

Semantic roles & 50–950 ramp

primary

#0B0D2D

secondary

#69662A

accent

#DA44E4

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0B0D2D

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

Preview Lab → · Contrast checker → · Palette generator →